When you go to England, you may find the traffic there is d______ from ours. As a foreigner(外国人), you must be c______ in the streets, because the traffic drives on the l_____. You must look to the right and then the left before you cross a street.
In the morning and in the evening when people go to or come back from work, the streets are very b______. The traffic is the most d_____ then.
When you go by bus in England, you have to take care of y____, too. Always r______ the traffic moves on the left. You have to t_____ a look first, or you will go to the wrong way.
In many English cities, there are big buses with two f____. You can sit on the s______one. From there you can see the city very well.