题目内容
—Oh,it's 9 pm.I have to go now.But it's raining heavily outside.
—You'd better wait ________the rain stops.
A. after B. until
C. since D. while
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题目内容
—Oh,it's 9 pm.I have to go now.But it's raining heavily outside.
—You'd better wait ________the rain stops.
A. after B. until
C. since D. while