How long do you think it will be __ China sends a manned spaceship to the moon?
ow long do you think it will be __ China sends a manned spaceship to the moon?
A.after B.until C.that D.before
人气：311 ℃ 时间：2019-10-17 14:27:10
解答
D,记住before在疑问句中常与将来时连用,表示 过多久才.
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