—My mother is ill. I have to take care of her at home.
—_______. [ ]
A. Thank you
B. Oh, I don't know
C. I'm sorry to hear that
D. Bad luck
答案:C
—My mother is ill. I have to take care of her at home.
—_______. [ ]
A. Thank you
B. Oh, I don't know
C. I'm sorry to hear that
D. Bad luck
答案:C