Question

Tom and Mary do homework ______ about five o’clock in the afternoon.

A. at B. in C. on D. For

Answer 1

A

【解析】

试题分析：根据at+具体的时间点；句意：汤姆和玛丽在下午大约五点做作业。结合句意，故选A

考点：考查介词的用法。