228. Oh, the classroom is so dirty. It needs ______ before we begin our class.A．

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228. Oh, the classroom is so dirty. It needs ______ before we begin our class.

A．cleaned

B．being cleaned

C．to clean

D．Cleaning

答案

解析

略

举一反三

229. Look! The shop isn’t open yet. We _____.

A．needn’t hurry	B．don’t need to hurry
C．must have hurried	D．needn’t have hurried

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253. Great changes ________ for the latest twenty years in China.

A．have taken place	B．have been taken place
C．have happened	D．have taken the place of

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254. --- We are going to have a volleyball match on the playground tomorrow afternoon.
--- Really? I ________ watch it.

A．will

B．am going to

C．can

D．am able to

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Professor Li, who I _________ abroad, still teaches in Peking University.

A．think went

B．think to have gone

C．thought went

D．thought had gone

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24. I don’t know if she __________, but if she __________ I will let you know.

A．comes, comes	B．will come, will come
C．comes, will come	D．will come, comes

题型：不详难度：| 查看答案