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Mr. Black home because his briefcase is still on the desk.A.mustn’t have goneB.c

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Mr. Black home because his briefcase is still on the desk.A.mustn’t have goneB.c

38. Mr. Black ______ home because his briefcase is still on the desk.

A.mustn’t have goneB.can’t have gone
C.shouldn’t have goneD.needn’t have gone

试题答案

B

解析