题目内容：

When you are in England you must be very careful in the streets 1._______ the traffic drives on the left. Before you cross a street you must look to the right first2.__________ then the left. In the morning and in the evening when people go to or come from 3._________, the streets are very busy. Traffic is most 4.________ （danger） then.

When you go by bus in England, you have to be careful, 5._______. Always remember the traffic moves on the left. So you must be careful. 6._______ （have） a look first, or you will go 7._________ wrong way.

In many English cities, there are big buses8._________ two floors. You can sit on the 9.________ （two） floor. From10.________ you can see the city very well. It’s very interesting.