TOEFL Mini-test Skills 37-38

The correct answer is "have been". The sentence is discussing how these questions are formed in English and other languages. The correct verb form to use in this context is "have been" instead of "have be". The phrase "have been formed" indicates that the questions have been created or constructed in a certain way.

The correct answer is "The problem had already been." This is because the sentence is in the past tense, indicating that the discussion of the problem by the board of directors had already taken place before it was proposed again by the supervisors. The use of "had already been" suggests that the problem had been discussed and possibly resolved before it resurfaced.

The correct answer is "must have been committed by." This is because the sentence is in the passive voice and is referring to actions that have already happened in the past. The phrase "must have been committed" indicates that the carnage was done by someone or something in the past, suggesting that it was not a recent or ongoing event.

The correct answer is "were given daily". This is because the sentence is in the past tense and is referring to a continuous action that happened in the past. The phrase "were given daily" indicates that the x-ray treatments were administered every day until the person was discharged from the hospital.

On June 30, 1992, an extra second was added to the day by international timekeepers in Paris.

The given sentence is in the past continuous tense. "Covering" is the correct form of the verb "cover" to match the subject "Particular issues." It indicates that the half-hour program was actively addressing or discussing the specific issues that concern teenagers.

Electrical impulses can be picked up by the optic nerve.

Workers training for a specific job have a strong possibility of being replaced by a machine. This means that after receiving training for a particular job, there is a high chance that machines or automation will take over the tasks performed by these workers. This could be due to advancements in technology or the desire for increased efficiency and cost-effectiveness in the workplace. As a result, the workers may no longer be needed in their current roles, leading to their replacement by machines.

The sentence is written in the past perfect tense, indicating that the body's protection by the immunologic system occurred before the time being referred to. The use of "had protected" suggests that the action of protection happened prior to the inability to define the process.

The reason why the report could not be turned in on time is because all the necessary work was lost. This implies that the work that was required to complete the report was somehow misplaced or destroyed, making it impossible to submit the report within the designated timeframe.