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

题型：不详难度：来源：

Stamps are usually used _____letters.

A．to sending

B．to send

C．for send

D．for sent

答案

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

举一反三

— Do you believe there are aliens?
— I’m afraid not. I don’t think aliens in space.

A．can find

B．can found

C．can be found

D．can be founded

题型：不详难度：| 查看答案

I don’t think teenagers should go to bars.

A．allow to

B．be allowed to

C．not allow to

D．be allowed

题型：不详难度：| 查看答案

English _____ as a second language in many countries.

A．speak

B．is spoken

C．is speaking

D．is speak

题型：不详难度：| 查看答案

The dogs were made __________ as fast as they could.

A．run

B．ran

C．running

D．to run

题型：不详难度：| 查看答案

There ___________some bread and two cakes on the table .

A．is

B．are

C．am

D．be

题型：不详难度：| 查看答案