问题补充：
. I have to see the doctor because Ia lot lately.
A. have been coughing
B. had coughed
C. coughed
D. cough
答案：
(答案→)A. have been coughing
B. had coughed
C. coughed
D. cough
解析：可联系答.案.网客服索取。
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时间：2023-11-22 04:10:27
. I have to see the doctor because Ia lot lately.
A. have been coughing
B. had coughed
C. coughed
D. cough
(答案→)A. have been coughing
B. had coughed
C. coughed
D. cough
解析：可联系答.案.网客服索取。
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