--Hurryup!Thebusiscoming．--Waitaminute．Don'tcrossthestr...

問題詳情：

--Hurry up! The bus is coming．

--Wait a minute．Don't cross the street ________ the traffic lights are green．

A．until               B．after              C．while              D．since

【回答】

A

知識點：連詞

題型：選擇題