—I think the man over there must be Bob.

-- It _______ be him. He has ______ to Australia.

　 A. can’t, gone B. can’t, been C. may not, been　 D. mustn’t, gone

A

【解析】考查點(diǎn)：情態(tài)動(dòng)詞can及現(xiàn)在完成時(shí)的用法。此處can’t表示推測(cè)語(yǔ)氣，意為“不可能”；“have/has gone to+地點(diǎn)”意為“去了某地”，表示不在說(shuō)話人這兒；“have/has been to +地點(diǎn)”表示“去過(guò)某地”，現(xiàn)在已經(jīng)回來(lái)了；mustn’t意為“嚴(yán)禁，不許”，may表示不確定的推測(cè)語(yǔ)氣。句意為“—我認(rèn)為那邊的男人一定是Bob�！豢赡苁撬�。他已經(jīng)去了澳大利亞�！惫蔬xA。

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