相关试题
－Oh, so many people in the park?
－Nobody likes to stay at home ______ Sunday morning.
A. in B. on C. at
－Do you mind my opening the window?
－______. Please do it now.
A. Of course not. B. Yes, I do. C. Certainly
－ What do you usually do at weekends?
－I often practice ____English.
A. speak B. to speak C. speaking
ture?
ill study at home on the Internet. 
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