【題目】—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：-我剛才在辦公室看到了While先生。-不，不可能是他。他已經(jīng)去了北京，并將于下周五回來。表達“不可能”的推測，用can’t，不能與mustn’t（禁止），have/has gone to意為“到某地去”，說話時該人不在現(xiàn)場，have/has been to意為“曾經(jīng)去過某地”，這里是說While先生已經(jīng)去北京了，還沒回來，故選D。

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