—Do you know the traffic rules?
—Sure, one of them is that we can’t go across the street _____ the light is green.
句意：——你知道交通规则吗？——当然，其中之一就是直到绿灯亮了我们才能过马路。
考查连词辨析。when当……时候；until直到；after在……之后。根据句中can’t可知，此处使用until，not until直到……才，此处表示“直到绿灯亮了我们才能过马路”。故选B。
—Do you know the traffic rules?
—Sure, one of them is that we can’t go across the street _____ the light is green.
I waited ______ they finished talking.
Get up early, ______ you will miss your train.
Nobody can hear you ______you speak in a louder voice.
—I think I am the shyest in my class. What should I do?
—Be more active in class, ________ you can improve your ability to express yourself.
—Mary doesn’t like fish chicken
—Ben doesn’t like fish, he likes chicken very much.
The Chinese doctors went to Italy to help the patients________they knew it was dangerous.
_____ Jane_____ her brother is going to the movies this weekend. One of them has to stay at home to look after their sick mother.
— Work hard,____ your dream will come true.
—Well. 1 will do my best.
Little Mary says good night to her parents________ she goes to bed every day.
