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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