题目内容
（陕西卷21）. I have to see the doctor because I a lot lately.
A. have been coughing B. had coughed C. coughed D. cough
A
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题目内容
（陕西卷21）. I have to see the doctor because I a lot lately.
A. have been coughing B. had coughed C. coughed D. cough
A