Question

【题目】You have to go to bed ________ 10:00 every night. You can't go to bed too late.

A. after B. in C. before D. on

Answer 1

【答案】C

【解析】

句意：你必须在每晚10点前睡觉。你不能睡得太晚。A.在.....之后；B.在.....里；C.意思是在...之前；D.在.....上。根据go to bed 去睡觉可知，此空的.意思是在...之前，故填介词before,故选C。