. I have to see the doctor because Ia lot lately.A. have been coughingB. had coughedC. cou

发布时间：2020-08-16 11:33:51


. I have to see the doctor because I    a lot lately.                        
A. have been coughing
B. had coughed
C. coughed
D. cough

网友回答

(答案→)A. have been coughing
B. had coughed
C. coughed
D. cough
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