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最佳答案：The plan proposed by him is valid (effective?).His plan is valid (effective?).
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最佳答案：It was he who put forward this theory.
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最佳答案：He offered to make the bed yesterday
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最佳答案：He gave some excellent advice to them
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最佳答案：he put forward a piece of useful advice in the meetinghe willnot attend the lucy
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最佳答案：The wise man shall fulfill his intelligence,the warrior may exert all his energy
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最佳答案：He asked this question just out of curiosity not thirsting for knowledge.
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最佳答案：1.We don't permit people to make noise here.2. He brought this up in the meeting
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最佳答案：He often puts forward unusual plans,and you should be cautious to them before yo
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最佳答案：1.We held this meeting to discuss the matter thoroughly2. Even if you offered to