问题
选择题
Losing weight is no easy task. A lot of people who lost weight gain it back over time and end up
back ____ they started.[ ]
A. when
B. where
C. since
D. after
答案
答案：C
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Losing weight is no easy task. A lot of people who lost weight gain it back over time and end up
back ____ they started.[ ]
A. when
B. where
C. since
D. after
答案：C