题目内容
When ________ help,one often says “Thank you.” or “ It's kind of you.”A.offering
B.to offer
C.to be offered
D.offered
答案:D
解析:
解析:
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解析:offer 与one 是被动关系,所以要用过去分词 offered。而C虽也是被动形式,但不定式的被动式常表示未来的动作,不符合这里一般现在时的状况。 提示:
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When help, one often says, “Thank you”, or “It’s kind of you.”
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