13. –What’s the noise ? It sounds as if it comes from upstairs.--______ .It must be the window-clean
問題詳情
13. –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