当别人问你问题你不知道时,你应说:________A.Sorry.I don't know. B.OK. C.Great.
He was a driver ______, A. now B. before C. in the future
Please return the books ____ two weeks . A. at B. on C. in
The men wore ____ clothes . A. woman’s B. womens C. women’s
We played _____ soccer after school.
We don’t have _____ class _____ Saturday.