【題目】Generally speaking,________ according to the directions,the drug has no side effect.

A.when taking B.when taken

C.when to take D.when to be taken

【答案】B

【解析】考查狀語從句中的省略。在狀語從句中,當(dāng)從句主語與主句主語一致,且謂語動詞含有be時(shí),將從句的主語和be省略?仗幯a(bǔ)充完整應(yīng)是:...,when the drug is taken。

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