1. 图文配对

A. B. C. D. E.

1. （1） We get to Qingdao from Dalian by ferry.
3. （2） Many children go to school by school bus.
5. （3） Going by taxi is expensive.
7. （4） In the USA, people on bikes must wear a helmet
9. （5） It is red. We must stop and wait!