--- Hurry up. The bus is coming. --- Oh, no. We mustn’t cross the street the traffic light

发布时间：2020-08-16 09:01:59

--- Hurry up. The bus is ing.
--- Oh, no. We mustn’t cross the street        the traffic lights are green.
A. until
B. since
C. while
D. after

网友回答

(答案→)A. until
B. since
C. while
D. after
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