问题
选择题
— I've been coughing like this for several days.
— I'm sorry _____ you're not well. [ ]
A. hear
B. hearing
C. heard
D. to hear
答案
答案：D
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— I've been coughing like this for several days.
— I'm sorry _____ you're not well. [ ]
A. hear
B. hearing
C. heard
D. to hear
答案：D