Great changes _______ in our country since 1990.A．were taken placeB．took placeC．

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Great changes _______ in our country since 1990.

A．were taken place	B．took place
C．have taken place	D．have been taken place

答案

解析

考查被动语态和现在完成时。句意“自从1990年以来，我们国家复数了巨大的变化。”take place没有被动形式，排除A、D；since+时间点常用于现在完成时。故选C。

举一反三

—Where did you go last night?
－I _______to go to Lily’s birthday party.

A．have been asked

B．have asked

C．asked

D．was asked

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---Did you go to Jim’s birthday party？
----No, I .

A．haven’t invited

B．didn’t invite

C．am not invited

D．wasn’t invited

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The environment in our hometown is getting worse and worse. So many trees .
A. are planting B. should be planted C should plant D. will plant

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It will be two days before the decision__________.

A．has made

B．will be made

C．was made

D．is made

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A lot of trees ______ on the hill yesterday.

A．are planted

B．will be planted

C．have been planted

D．were planted

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