I have to see the doctor because I a lot lately.A. have been coughingB. had coughedC. coug

问题补充：

I have to see the doctor because I a 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：

这题考查时态的用法，时间是lately，说明是最近一直在做，用现在完成进行时。句意是：我得去看医生了，因为我最近一直咳嗽。选A。