问答题课程计划
单项选择题—Do you mind if I smoke —().
A. Why not B. Yes, help yourself. C. Go ahead. D. Yes, but you'd better not.
单项选择题He said, We ()be proud of working hard. We mustn't be lazy.
A. must B. needn't C. may D. can't
单项选择题()the temperature might drop, coal was prepared for warming,
A. To consider B. Considered C. Considering D. To be considered
单项选择题—The blue skirt looks very nice. May I() —Yes, please.
A. try them on B. try it on C. take them off D. take it off