A large number of people ________ hard to keep our country clean.

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Air pollution makes us ________, so we must keep air ________.

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The manager wants ________ to her when she finishes ________ a young man.

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A．to talk, to interview(采访)

B．to talk, interviewing

C．talking, interviewing

D．talking, to interview

About ________ of the students attended the meeting.

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You ________ talk loudly in the reading-room.

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Do you know ________?

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A．what is electricity (电)

B．where she is from

C．what did he do with the problem

D．What the word mean

That kind of school uniform (服装) is ________ ours.

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Their job ________ an English Evening.

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________ Mr.. Smith ________ his two children is going to see a film this evening.

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A．Not only, but also

B．/ , as well as

C．Neither, nor

D．Both, and

He smoked cigarettes ________ .

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