Question

【题目】It's raining heavily, we'll have to wait ______ the rain stops.
A.as soon as
B.till
C.when
D.after

Answer 1

【答案】B
【解析】句意：下着大雨，我们不得不等到雨停。as soon as一……就；till直到；when当……时；after在……之后。根据句意，所以答案是B。