单选题：I had some difficulty in carrying out the plan.

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题目内容：
I had some difficulty in carrying out the plan. A．making
B．keeping
C．changing
D．implementing

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_____countries are now at risk of not achieving education fo

_____countries are now at risk of not achieving education for all on the basis o

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Before closing, a plant should put up a notice and keep it f

Before closing, a plant should put up a notice and keep it for 90 days.A．Right B

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请在第__(52)__处填上正确答案。

请在第__(52)__处填上正确答案。A．need B．take C．develop D．finish

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根据材料，完成题。Traffic Jams -- No End in Sight 1. Traffic congesti

根据材料，完成题。Traffic Jams -- No End in Sight1. Traffic congestion (拥堵) affects peopl

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灾难性事件往往以突发的方式出现，给个人与社会造成巨大的破不和影响。灾难的突发性决定了报道的___________是第一位

灾难性事件往往以突发的方式出现，给个人与社会造成巨大的破不和影响。灾难的突发性决定了报道的___________是第一位的。最快的时间、最新的报道，才能满足人们

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