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题目
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Please don"t call me at the office        it"s really necessary.
A.ifB.unlessC.otherwiseD.except

答案
B
解析

试题分析:考查连词:句意:请不要打电话到我的办公室,除非是真的有必要。 A.if如果,引导条件状语从句,B.unless除非,引导条件状语从句,C.otherwise副词,否则,D.except介词“除了”,选B。
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试题【Please don"t call me at the office        it"s really necessary.A.ifB.unlessC.ot】;主要考察你对连词等知识点的理解。[详细]
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