问题
选择题
------Could you please sweep the floor?
------___________. I am busy looking after my sister.
A.Yes, sure
B.Sorry, I couldn’t
C.No problem
D.Sorry, I’m afraid not
答案
答案:D
题目分析:句意:--你能去扫地吗?--对不起,我恐怕不能。我正忙着照顾我的妺妺。联系下文:照顾妺妺,因此会对要求做否定回答。故选D