. This sentence needs ___________ .A．a improvementB．improveC．improvin

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. This sentence needs ___________ .

A．a improvement

B．improve

C．improving

D．improved

答案

解析

略

举一反三

. ___________ anything about the accident, he went to work as usual..

A．Not known

B．Known not

C．Knowing not

D．Not knowing

题型：不详难度：| 查看答案

. There was terrible noise ___________ the sudden burst of light.

A．followed

B．following

C．to be followed

D．being followed

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. The secretary worked late into the night, ___________ a long speech for the president.

A．to prepare

B．preparing

C．prepared

D．was preparing

题型：不详难度：| 查看答案

. How about two of us ___________ a walk down the garden?

A．to take

B．take

C．taking

D．to be taking

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. ---You were brave enough to raise objections at the meeting. ---Well, now I regret ___________ that.

A．to do

B．to be doing

C．to have done

D．having done

题型：不详难度：| 查看答案