1. (2021·南京) 完形填空

Traffic rules in the UK are1from those in China. When you are in the UK, you must2very careful in the street because the traffic goes on the 3. You must first look right and then left. If there is a red light, the traffic 4stop. When the5light is on, the traffic can go. In the UK, there are many big buses with two floors. You can sit on the 6 floor. You can see the city very 7. It's very interesting.