My wallet is nowhere to be found. I ______ when I was on the bus.

admin2008-11-13  34

问题 My wallet is nowhere to be found. I ______ when I was on the bus.

选项 A、must have dropped it
B、must drop it
C、should have dropped it
D、ought to have dropped it

答案A

解析 情态动词。“must+have+过去分词”表示对过去发生的事情的推测。
转载请注明原文地址:https://jikaoti.com/ti/tVBYFFFM
0

最新回复(0)