Question

【题目】Mary is never late for class. She always arrives there .

A.in timeB.on time

C.at a timeD.from time to time

Answer 1

【答案】B

【解析】

句意：玛丽上课从不迟到。她总是按时到达那里。

考查介词短语。in time及时；on time按时；at a time每次；from time to time有时、不时。根据Mary is never late for class. 玛丽上课从不迟到，可知她总是按时到达那里，所以on time按时，符合题意，故答案选B。