I haven't received the letter.It()to a wrong address.A.may send B.may be sent C.might have sent D.might have been sent

I haven't received the letter.It()to a wrong address.A.may send B.may be sent C.might have sent D.might have been sent
I haven't received the letter.It()to a wrong address.
A.may send B.may be sent C.might have sent D.might have been sent

I haven't received the letter.It()to a wrong address.A.may send B.may be sent C.might have sent D.might have been sent
选择D,首先这是一个被动语态,排除了AC,另外被发送出去是在过去,所以用过去完成被动语态

D

D

【答案】D.might have been sent
【解释】
might have表示本来可能做到...（但实际上没做到）这种结构出现在句子中，就是虚拟句型，表达“不十分确定”的可能性：
被动
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