1.
1. The administrative assistant is a little busy _____ the moment.
Correct Answer
A. A. at
Explanation
The correct answer is "A. at". This preposition is used to indicate a specific point in time, and in this context, it suggests that the administrative assistant is currently busy. The use of "at" implies that the busyness is temporary and may change in the future.
2.
2. The doctor will see you _____ your earliest convenience.
Correct Answer
C. C. at
Explanation
The correct answer is "C. at". This is because the phrase "at your earliest convenience" is commonly used to indicate that something should be done as soon as possible. In this case, the doctor is requesting to see the person as soon as they are able to come in for an appointment.
3.
3. Heroes always seem to arrive _____ just the right moment.
Correct Answer
A. A. at
Explanation
Heroes always seem to arrive at just the right moment. "At" is used to indicate a specific point in time or a particular location. In this context, "at" is the correct preposition to convey the idea that heroes arrive at a specific moment or time. "In" and "on" are not suitable in this sentence as they do not convey the same meaning.
4.
4. Heroes always arrive _____ the nick of time.
Correct Answer
B. B. in
Explanation
The correct answer is "B. in". When we say that heroes always arrive "in" the nick of time, it means that they arrive just in time, at the last possible moment. The preposition "in" is commonly used in this context to indicate a specific point or moment. Using "at" or "on" would not convey the same meaning.
5.
5. The alarm woke me up _____ 6:30 _____ the morning.
Correct Answer
B. B. at, in
Explanation
The correct answer is B. "at, in". This is because the word "at" is used to indicate a specific time, while the word "in" is used to indicate a general time period. In this sentence, "at" is used to specify the exact time of 6:30, while "in" is used to indicate the general time period of the morning.
6.
6. The board of directors started the meeting promptly _____ 10:00.
Correct Answer
B. B. at
Explanation
The correct answer is "B. at." In this sentence, "promptly" indicates that the meeting started exactly at a specific time. The preposition "at" is used to specify a particular time, so it is the most appropriate choice in this context.
7.
7. The teacher required all final projects to be submitted _____ 12:00 noon _____ Friday.
Correct Answer
C. C. by, on
Explanation
The correct answer is C. "by, on". This means that the final projects must be submitted before the deadline, which is 12:00 noon, and the deadline is on Friday.
8.
8. She starts her new computer job _____ Monday.
Correct Answer
B. B. on
Explanation
The correct answer is "B. on" because it is the correct preposition to use when referring to a specific day of the week. In this sentence, "on" is used to indicate that the new computer job will start on Monday.
9.
9. We went to the park _____ the afternoon.
Correct Answer
A. A. in
Explanation
The correct answer is "A. in". In this sentence, "in" is used to indicate a specific time period during which the action of going to the park occurred. The preposition "in" is commonly used to denote a time frame, such as in the morning, in the evening, or in the afternoon.
10.
10. Did you leave your appointment book _____ the car?
Correct Answer
C. C. in
Explanation
The correct answer is "C. in". In this sentence, we are asking whether the person left their appointment book inside the car. "In" is the correct preposition to use when indicating the location of an object inside a container or enclosed space.