．It will be about three yearsnext Olympic Games are held.A. whenB. since C. that D. before

发布时间：2020-08-16 11:25:55


．It will be about three years    next Olympic Games are held.
A. when
B. since
C. that
D. before

网友回答

A. when
B. since
C. that
(答案→)D. before
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