I don’t smoke now but I for more than twenty years. A. smokedB. was smokingC. have smoke

问题补充：

I don’t smoke now, but I for more than twenty years.

A. smoked

B. was smoking

C. have smoked

D. had smoked

答案：

(答案→)A. smoked

B. was smoking

C. have smoked

D. had smoked

解析：考查时态：句意：我现在不抽烟了，但是我抽烟20多年。因为说话人现在不抽烟了，所以抽烟的动作是发生在过去的，用一般过去式，选A.