—Hurry up! The bus is ing.
—Wait a minute. Don’t cross the street the traffic lights are green.
A. until
B. after
C. while
D. since
网友回答
(答案→)A. until
B. after
C. while
D. since
解析：考查情景交际和not...until...句型。“快点！车来了。”“稍等。在红绿灯变绿前不要穿过马路。”A“直到”；B“......之后”；C“当......时候”；D“自从”。根据句意可知，用的是not...until句型。故选A。