Grammar
Ⅰ.用所给动词(短语)的适当形式填空
1．________ in the bicycle lanes.
2．________ at red traffic lights.
3．________ the rules of the road.
4．________ for pedestrians.
5．________ behind you before you turn right or left while driving.
6．________ your bike in the middle of the road.
答案：1.Stay 2.Stop 3.Keep 4.Watch out 5.Look
6．Don't ride
Ⅱ.完成句子
1．不要到处跑，可以吗？
________ run around，________ ________？
2．我们面对面好好地交谈，好吗？
Let's have a nice talk face to face, ________ ________？
3．如果可能的话，就献一些血，那么很多生命就会被拯救。
