题目内容
【题目】—It is said that John’s paper got an A.
—He deserves it. He _________ a lot before he handed it in.
A. prepared B. prepares
C. had prepared D. has prepared
【答案】C
【解析】句意:---据说John的论文得了A级。---他应该得。它交上他之前准备了很多。题干中hand in的动作发生在过去,prepare又发生在hand in之前,也就是发生在过去的过去,故应用过去完成时。故选C。
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