2019年mba考试英语模拟题——连词440

{01}He was so busy that _____ I could say hello to him he had rushed out of the room.
A.when
B.before
C.since
D.until
解析：
本题选B。

{02}The bus hit the huge stone by the road heavily _____ he could stop it.
A.after
B.before
C.since
D.until
解析：
本题选B。