问题
选择题
—I am o
ften ill.
—______ [ ]
A. I think so.
B. That's OK.
C. Really? Thank you.
D. I am sorry to hear that.
答案
答案：D
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—I am often ill.
—______ [ ]
A. I think so.
B. That's OK.
C. Really? Thank you.
D. I am sorry to hear that.
答案：D