When you are in __36__,you must be very careful in the stree

When you are in __36__,you must be very careful in the streets because
traffic drives __37__ the left.Before you cross a street,you must look to the
right first and then the left.If the traffic lights are __38__,the traffic
must stop.Then the people __39__ can cross carefully.If the traffic lights
are green,the traffic can __40__,people on foot must not __41__.In the
morning and in the evening,when people go to or from work,the streets are
very busy.Traffic is most dangerous then.When you go by bus in England,you
have to be careful,__42__.Always remember that traffic moves on the __43__.So
you must be careful.Have a look first,__44__ you will go the wrong way.In
many English cities,there are big buses __45__ two floors,you can sit on the
second floor.From there you can see the city very well.It's very interesting.
36.A.England B.China C.Beijing
37.A.in B.at C.on
38.A.green B.yellow C.red
39.A.by bus B.on foot C.by car
40.A.stop B.go on C.cease
41.A.across B.cross C.go cross
42.A.too B.also C.either
43.A.right B.left C.forward
44.A.but B.so C.or
45.A.and B.with C.over