Modal Verbs Quiz Questions: Exam!

To ensure that you don't run out of gas during a long trip, it is advisable to get a full tank of gas. The word "should" implies a suggestion or recommendation, indicating that it is a sensible choice to make.

In California, it is mandatory to have a driver's license in order to drive a car. The word "must" implies a requirement or obligation, indicating that having a driver's license is necessary.

Drivers shouldn't talk on a cell phone and drive at the same time because it can be distracting and increase the risk of accidents. Talking on a cell phone requires cognitive attention and can take focus away from the road and other vehicles. It is important for drivers to prioritize their safety and the safety of others by avoiding distractions while driving.

The phrase "must not" is used to express something that is strictly forbidden or prohibited. In this case, smoking while putting gasoline in your gas tank is dangerous and strictly forbidden due to the high risk of fire or explosion. Therefore, "must not" is the correct choice.

In some states, it is illegal to talk on a cell phone in your car. This means that drivers are prohibited from using phones in their cars. Therefore, the correct answer is "must not," indicating that drivers are not allowed to use phones while driving.

The phrase "don't have to" means it's not necessary to do something, but it's optional. In this case, while driving, listening to the radio is a choice, not an obligation. "Must not" would imply a prohibition, which isn't the case here. Similarly, "must" implies an obligation, and "doesn't have to" is grammatically incorrect for this context.

The word "could" is used in this context to express a polite request or suggestion. The speaker is asking if the person they are speaking to would be willing to buy some aspirin for them because they have a headache.

Based on the given information that it is currently 2:20 and he said he would be here at 2:30, the word "should" is the correct answer. "Should" indicates an expectation or likelihood of something happening. In this context, it suggests that based on the time and his previous statement, it is expected or likely that he will be here soon.

The word "could" is used to ask for someone's assistance or favor. In this sentence, it is asking if the person can help.

The correct answer is "can't". In this sentence, the speaker is expressing their inability to go to the party because they have to work. "Can't" is a contraction of "cannot" and is used to indicate a lack of ability or permission to do something.

The phrase "don't have to" implies that there is no obligation or necessity for someone to help. In this context, it means that the person is not required to help because the speaker can handle the task on their own.

The correct answer is "mustn't". This is because the sentence is expressing a prohibition or a strong recommendation not to go into the room. "Mustn't" is used to indicate that something is not allowed or is prohibited.