The storm came up so fast that it poured on us we could find a shelter. [ ] A．af
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![The storm came up so fast that it poured on us we could find a shelter. [ ] A．af](/pic/43_900592.jpg)
The storm came up so fast that it poured on us ________ we could find a shelter.
[]
A．afterB．beforeC．whenD．until
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答案：
解析：before还没等……就…… |