Question

We will go out for a walk as soon as it ________．

1. A.
   stops, to rain
2. B.
   stops, raining
3. C.
   will stop, to rain
4. D.
   will stop, raining

Answer 1

B
此题考查两点。一是if当“如果”讲的时候，主句用将来时，从句用现在时，二是stop doing停止正在做的事，stop to do停下来，去做另外一件事。