单选题：_______such heavy pollution already, it may now be too late ..

题目分类：现在分词的完成式
题目类型：单选题
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_______such heavy pollution already, it may now be too late to clean up the river. [ ] A. Having suffered
B. Suffering
C. To suffer
D. Suffered

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He looked around and caught a man _____ his hand into the po..

He looked around and caught a man _____ his hand into the pocket of a passenger.A．putB．to be putC．to putD．putting

分类：现在分词的完成式题型：单选题

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The next thing he saw was smoke ________ from behind the hou..

The next thing he saw was smoke ________ from behind the house.[ ]A. roseB. risingC. to riseD. risen

分类：现在分词的完成式题型：单选题

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The country has already sent upthree unmanned spacecrafts, t..

The country has already sent upthree unmanned spacecrafts, the most recent at the end of last March.[ ]A．has been launchedB．having been launchedC．being launched D．to be launched

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Recently a survey ________ prices of the same goods in two d..

Recently a survey ________ prices of the same goods in two different supermarkets has caused heateddebate among citizens.[ ]A. comparedB. comparingC. comparesD. being compared

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____ at a decision, they immediately set to work. [ ]A. Ar..

____ at a decision, they immediately set to work. [ ]A. ArrivingB. ArrivedC. Having arrivedD. Having been arrived

分类：现在分词的完成式题型：单选题

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