I ____ my wallet when I was shopping in the store. 

题目类型: 单选题

题目内容

I ____ my wallet when I was shopping in the store. 

题目选项

A. must have dropped
B. should have dropped
C. could drop
D. ought to have dropped

正确答案

A

题目解析

本题考查情态动词表推测的用法,Must have done表示对过去情况的肯定推测。题意为我一定是在逛街的时候把钱包丢了,所以应选A.ought to have done/should have done 都表示本应该做却没有做的事

题目纠错