单项选择题
Must I do the washing-up tonight?（）
A.No, you mustn‘t if you don‘t want. B.Leave it if you‘re exhausted. C.Washing-up is really exhausting. D.Washing-up really takes up time.
单项选择题 Can I take your order now?（）
单项选择题 In my opinion, you'd better take a couple of days off.（）
单项选择题 David, you've been losing your temper over nothing lately.（）
