Question

【题目】I have to see the doctor because I __________ a lot lately.

A. have been coughing B. had coughed

C. coughed D. cough

Answer 1

【答案】A

【解析】句意：我得去看医生，因为我近来一直咳嗽得很厉害。根据句子中的lately,可知设空处表示现在的事情,故用现在时，排除B、C两项;D项表习惯性动作，故被排除。现在完成进行时表示动作从过去开始,持续到现在且现在还在进行。