Passive Voice : Expansion And Review Test

1. New theory has revealed that Dinosaurs ________________________ because of a super giant volcano eruption in the area we know now as Yellowstone.

May dissapear

May have dissappeared

May were dissappeared

Have may dissappear

The correct answer is "may have disappeared." This is because the sentence is discussing a possibility in the past, indicating uncertainty. The phrase "may have" is used to express this uncertainty, and "disappeared" is the correct past participle form of the verb "to disappear."

Explanation

The correct answer is "may have disappeared." This is because the sentence is discussing a possibility in the past, indicating uncertainty. The phrase "may have" is used to express this uncertainty, and "disappeared" is the correct past participle form of the verb "to disappear."

2. One of the biggest mysteries of modern history is the disappearance of MH370 flight of Malaysia Airline since no remains of the plane and people _______________________so far.

Have been found

Has been finding

Have found

Were found

The correct answer is "have been found." This is because the sentence is in the present perfect tense, indicating that the action of finding remains of the plane and people is ongoing or has happened in the past with a present impact. The phrase "so far" further suggests that the search for remains is still ongoing.

Explanation

The correct answer is "have been found." This is because the sentence is in the present perfect tense, indicating that the action of finding remains of the plane and people is ongoing or has happened in the past with a present impact. The phrase "so far" further suggests that the search for remains is still ongoing.

3. The area in which the Caribbean Islands __________________ extends from the East of United States and the north part of Venezuela.

Locate

Are located

Locates

Is located

The correct answer is "are located." This is because the subject "The Caribbean Islands" is plural, so it requires the plural verb form "are." Additionally, the verb "located" is used to describe the position of the islands, indicating that they are currently situated in a specific area.

Explanation

The correct answer is "are located." This is because the subject "The Caribbean Islands" is plural, so it requires the plural verb form "are." Additionally, the verb "located" is used to describe the position of the islands, indicating that they are currently situated in a specific area.

4. How many mysteries do you think ______________still __________________?

Were / unsolved

Are / unsolved

They are / unsolved

It is / unsolving

The correct answer is "are / unsolved" because the question is asking for the number of mysteries that are currently unsolved. The word "are" is used to indicate the present tense, and "unsolved" is the appropriate adjective to describe the mysteries.

Explanation

The correct answer is "are / unsolved" because the question is asking for the number of mysteries that are currently unsolved. The word "are" is used to indicate the present tense, and "unsolved" is the appropriate adjective to describe the mysteries.

5. Do you know where the new building _______________________? The committee decided on it yesterday, but I was not present.

Was constructed

Is going to be constructed

Has been constructed

Got it constructed

The correct answer is "is going to be constructed." This answer is appropriate because the sentence is discussing a future event. The use of "is going to" indicates a planned action that will happen in the future. The phrase "is going to be constructed" suggests that the new building has not yet been built but will be in the future.

Explanation

The correct answer is "is going to be constructed." This answer is appropriate because the sentence is discussing a future event. The use of "is going to" indicates a planned action that will happen in the future. The phrase "is going to be constructed" suggests that the new building has not yet been built but will be in the future.

6. While the safe box ______________________ by the thieves, the police arrived and the shooting began. Two thieves were injured, and the three of them were arrested.

Was being opened

Was been opened

Had been opened

Was opened

The correct answer is "was being opened". This is the correct answer because it indicates that the action of opening the safe box was in progress at the time the police arrived and the shooting began. The use of the past continuous tense "was being opened" suggests that the opening of the safe box was interrupted by the arrival of the police.

Explanation

The correct answer is "was being opened". This is the correct answer because it indicates that the action of opening the safe box was in progress at the time the police arrived and the shooting began. The use of the past continuous tense "was being opened" suggests that the opening of the safe box was interrupted by the arrival of the police.

7. The chief of the police department ____________ the DNA material ____________ by the criminology department last week.

Had / analyzed

Analyzed / had

Have / analyzed

Has / analyzed

The correct answer is "had / analyzed". This is because the sentence is in the past tense and the action of analyzing the DNA material occurred before the action of being the chief of the police department. Therefore, the correct verb tense to use is "had analyzed".

Explanation

The correct answer is "had / analyzed". This is because the sentence is in the past tense and the action of analyzing the DNA material occurred before the action of being the chief of the police department. Therefore, the correct verb tense to use is "had analyzed".

8. The Mayas are believed ________________ a hundred years before the Spaniards came over.

Have dissappeared

Dissappeared

To have dissappeared

To dissappear

The correct answer is "to have disappeared." This is because the sentence is discussing a belief about the Mayas, indicating that something happened in the past. The phrase "to have disappeared" is the correct form of the verb to indicate an action that occurred before another event (the arrival of the Spaniards).

Explanation

The correct answer is "to have disappeared." This is because the sentence is discussing a belief about the Mayas, indicating that something happened in the past. The phrase "to have disappeared" is the correct form of the verb to indicate an action that occurred before another event (the arrival of the Spaniards).

9. Which sentence is NOT correct?

It is thought that pure Mayas must have mixed with other tribes from different cultures

They think pure Mayas don't really exist nowadays since they mixed with other cultures.

Pure Mayas are thought to have mixed with other tribes from different cultures

They think don't really exist pure Mayas since they must have mixed with other cultures

The sentence "They think don't really exist pure Mayas since they must have mixed with other cultures" is not correct because it has incorrect word order and grammar. The correct sentence would be "They think pure Mayas don't really exist nowadays since they mixed with other cultures."

Explanation

The sentence "They think don't really exist pure Mayas since they must have mixed with other cultures" is not correct because it has incorrect word order and grammar. The correct sentence would be "They think pure Mayas don't really exist nowadays since they mixed with other cultures."

10. Which is the only sentence that IS CORRECT?

They are used the dollars in El Salvador.

The dollar introduced by Francisco Flores government in 2001.

The dollar was officially accepted as national currency without asking people's opinions.

The dollar by them is used in El Salvador.

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Explanation

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