问题补充:
—Do you smoke?
—No,I don’t.It’s two years since I .
A. smoked
B. have smoked
C. has smoked
D. don’t smoke
答案:
(答案→)A. smoked
B. have smoked
C. has smoked
D. don’t smoke
解析:since从句中动词若为延续性动词,则意为“自从不……以来”。
时间:2020-12-26 13:34:31
—Do you smoke?
—No,I don’t.It’s two years since I .
A. smoked
B. have smoked
C. has smoked
D. don’t smoke
(答案→)A. smoked
B. have smoked
C. has smoked
D. don’t smoke
解析:since从句中动词若为延续性动词,则意为“自从不……以来”。
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