题目内容：

    In Shanghai, traffic police assistants can be seen anytime, anywhere. They try their best to make the traffic ______.

“However, some people, even in the busiest ______, don’t wait for the green light, but cross the street ______ cars,” said Li, an assistant. Just at this moment—“Hey, you!” Li said to a man who ran against the traffic into the street, “The traffic lights will ______ in a minute, try to wait, OK?”

Sometimes, there is nothing harder than getting people to obey the traffic rules. “Every day I get home with very _____ legs.” Li said, “ In summer I stand in the sun, and in winter the ______ blows. I just hope everyone will obey the traffic rules.”

1.A.save B.safe C.safely D.safety

2.A.parks B.stations C.villages D.streets

3.A.in B.to C.between D.on

4.A.change B.come C.turn D.go

5.A.sore B.ill C.long D.tall

6.A.sun B.cloud C.rain D.wind