单项选择题 B. for C. on D. with

单项选择题 –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 notC.I’d rather notD. I don’t think so

单项选择题 If we ___ the other road ,we might have arrived here in time for the meeting. ( )A.take B.had takenC.took D. have taken