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:考查时态。句意:我得去看医生,因为我最近一直咳嗽得很厉害。lately表示“最近”,常与现在完成时或现在完成进行时连用,此处表示在说话之前一直在持续的动作,并且有可能持续下去,因此用现在完成进行时。