30．The extra room________very useful when we had visitors．A．had been provedB．was

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30．The extra room________very useful when we had visitors．

A．had been proved	B．was proved
C．had proved	D．Proved

答案

解析

略

举一反三

26．—Why are your hands so dirty?
—I________in the garden．

A．was working

B．have worked

C．worked

D．have been working

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29．The attackers were arrested and didn’t know where they ______．

A．would take

B．are taken

C．were being taken

D．will be taken

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22．In middle schools all over China, boys_____not to wear their hair long.

A．will be requested

B．have requested

C．are requesting

D．are requested

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25．---Let’s throw a surprise party for mom’s 50th birthday.
---That’s a good idea. We________several of her friends.

A．invite

B．have invited

C．are inviting

D．will invite

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27．---Your composition is full of mistakes.
---I wish I_________more careful.

A．would have been

B．had been

C．would be

D．Were

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