The water companies were instructed to keep the people ______ to the polluted wa
题型：不详难度：来源：
The water companies were instructed to keep the people ______ to the polluted water.| A．from exposing | B．being exposed | C．exposing | D．from being exposed |
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答案
| D |
解析
| 这题考察词组：keep sb from doing“阻止某人做”，这里的from不能省略，另外be exposed to“暴露于”，句意是：水厂被指示不能让人们接触到污染的水。选D。 |
举一反三
I wonder why he didn’t do it as ______.| A．told him | B．he told | C．telling to | D．told to |
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______ down on the ground, he struggled to his feet and held up his head, _______his enemy.| A．Beating; focusing on | B．Beaten ; glaring at | C．Falling; stared at | D．Tripping ; fixed on |
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The young man stopped and looked back as if ______ whether he was being followed.| A．seeing | B．to have seen | C．having seen | D．to see |
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The man _______ over there was injured in a car accident yesterday.| A．operate on | B．being operated on | C．to operate on | D．being operated |
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The old farmer had his leg _______ but he had his tractors _______ day and night.| A．hurting; working | B．hurting; worked | C．hurt; working | D．hurt; worked |
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