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【题目】—I saw Mr. While in his office just now.

—No, it ______be him. He has _____Beijing and will come back next Friday.

A. mustn’t; gone to B. mustn’t; been to

C. can’t ; been to D. can’t ; gone to

【答案】D

【解析】句意:-我刚才在办公室看到了While先生。-不,不可能是他。他已经去了北京,并将于下周五回来。表达“不可能”的推测,用can’t,不能与mustn’t(禁止),have/has gone to意为“到某地去”,说话时该人不在现场,have/has been to意为“曾经去过某地”,这里是说While先生已经去北京了,还没回来,故选D。

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