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–What’s the noise ? It sounds as if it comes from upstairs. -- . It must be the

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–What’s the noise ? It sounds as if it comes from upstairs. -- . It must be the

–What’s the noise ? It sounds as if it comes from upstairs.  

   --______. It must be the window-cleaner working , next door.         

A. I’m not sure      B. I hope not        C. I’d rather not      D. I don’t think so

试题答案

D

解析: