Generally speaking, according to the directions, the drug has no side effect. [
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Generally speaking, _______ according to the directions, the drug has no side effect.
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A.when takingB.when takenC.when to takeD.when to be taken
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答案:
解析:因the drug与take之是存在着被动关系,须用过去分词作状语。when taken是when the drug is taken的省略形式。 |