Peter doesn’t smoke now, but he ________ for almost twenty years.A．was smokingB．_刷题宝

题干

Peter doesn’t smoke now, but he ________ for almost twenty years.

A．was smoking

B．had smoked

C．has smoked

D．smoked

上一题下一题 0.64难度单项选择更新时间:2016-11-22 04:43:53

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