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1.  We must do something to____ the factories sending out poisonous gases so as to keep the city____.
A. keep;beingpolluted B. keep;frombeingpolluted C. prevent;frombeingpolluted D. prevent;beingpolluted
【考点】
固定短语; 动名词;
【答案】

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1. We have a wide selection of sweaters that is suitable for all ages, and _________ the teenager market.
A. in general B. in short C. in turn D. in particular
单选题 容易
2. My boyfriend and my best friend had a quarrel          this significant occasion, and unfortunately I found myself caught         .
A. in; between B. in; in between C. on; between D. on; in between
单选题 容易
3. — Mr. King, I've gone through your program. Could I make some suggestion?

— _______. I am all ears.

A. That's all right. B. Take it easy. C. With pleasure. D. Go right ahead.
单选题 容易