问题补充:
--- Sharon, remember to lock the door before leaving the house.
-- .
A. Yes, please
B. OK. I will
C. It’s hard to say
D. It’s my duty
答案:
A. Yes, please
(答案→)B. OK. I will
C. It’s hard to say
D. It’s my duty
解析:句A. Yes, please是的,请 B. OK. I will好的,我会的 C. It’s hard to say很难说 D. It’s my duty我的责任;句意:莎莉,出门前,记得要锁好门。好的,我会的。故选B