题目内容
The other day, a thunderstorm caused severe damage to some scenic spots, and therefore it will be quite some time _______ they return to normal.
A. until B. when C. before D. if
C
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题目内容
The other day, a thunderstorm caused severe damage to some scenic spots, and therefore it will be quite some time _______ they return to normal.
A. until B. when C. before D. if