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题目
题型:不详难度:来源:
I won’t call you, __________ something unexpected happens.
A.unlessB.whetherC.becauseD.while

答案
A。
解析
unless的意思是“除非”,又如:Don’t call me unless you need help. 除非你需要帮助否则别打电话找我。Unless you change your mind, I won’t be able to help you. 除非你改变你的想法,否则我不能帮助你。
核心考点
试题【 I won’t call you, __________ something unexpected happens. A.unlessB.whetherC.b】;主要考察你对句法等知识点的理解。[详细]
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