题目内容

(2011·广西桂林中学第一次月考) —What did the doctor say?

— He said, “   on time, this medicine will be quite effective”.

A. Taking  B. Take     C. Taken     D. Being taken

C考查过去分词及条件状语从句的省略。原句可改为:If it is taken on time, this medicine will be quite effective.

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