Stamps are usually used letters.A. to sendingB. to sendC. for sendD. for sent

发布时间：2020-08-22 04:11:42

Stamps are usually used     letters.
A. to sending
B. to send
C. for send
D. for sent

网友回答

A. to sending
(答案→)B. to send
C. for send
D. for sent
解析：本题考查的被动语态，一般在时，符合结构be used to do sth，表示被用来做某事，故选答案为B
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