问题
选择题
— Do you still smoke heavily?
— No. In fact, it is two years since I ____. [ ]
A. have stopped smoking
B. smoked
D. began to smoke
D. started to smoke
答案
答案：B
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— Do you still smoke heavily?
— No. In fact, it is two years since I ____. [ ]
A. have stopped smoking
B. smoked
D. began to smoke
D. started to smoke
答案：B