It is hard to __________ the green beans from the red ones, because there are too many of them.[ ]A.

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• He said he hadn't done that, but his expression ________. [ ]A. gave him upB. gave him awayC. g
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• This kind of plants are __________.Some day they will __________ forever.[ ]A．dying off；die outB．dyi
• Difficulties and hardships have________the best character of the young geologist. [ ] A. brought inB
• It is a pity that most slimmers ________ putting weight back on.[ ]A. ended upB. brought upC. took u
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• The young mother save her son though he was infected with a deadly disease.[ ]A. was desperate for B
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