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【单选题】
-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
题目标签：交通
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三