当前位置:考试网  > 试卷库  > 学历类  > 自考  > 自考专业(英语)  > 综合英语(一)  > Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
试题预览

Mywalletisnowheretobefound.I_____itwhenIwasonthebus.

A、mustdrop
B、shouldhavedropped
C、haddropped
D、musthavedropped
查看答案
收藏
纠错
正确答案:

D

答案解析:

must have+done 用于推断过去某个时间肯定发生了的事情。

你可能感兴趣的试题

William has cut his smoking_____to five cigarettes a day.

If he_____the storekeeper ‘s scissors ,he would have forgotten to buy a pair.

He‘s working hard_____.

Hewasvery_____togo,buthehadnochoice.

Hedrovefastandarrivedanhour_____ofschedule.

扫一扫,手机做题