-Hurry up. The bus is coming.-Wait a moment. Don't cross the street ________ the traffic(交通) li

题目简介

-Hurry up. The bus is coming.-Wait a moment. Don't cross the street ________ the traffic(交通) li

题目详情

-Hurry up. The bus is coming.    
-Wait a moment. Don't cross the street ________ the traffic(交通) lights are green.
[     ]
A. after
B. until    
C. while            
D. since
题型:单选题难度:偏易来源:同步题

答案

B

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