7. Which is       (big) city,Shanghai,Beijing or Chengdu?

6. You should be       (care) when you cross the road.

5. Which is       (small) , the sun,the moon or the earth?

4. The bus stop is        (crowd) with people at eight in the morning.

3. Taking the bus is       (comfortable) . There are so many people on it.

2. I think riding the bike is the       (good) way to get to school.

1. Tony lives       (far) from school in his class.

Betty's mupi：How do the boys go to school? 

Betty: Their homes are the closest to school,so they       to school.

Betty's mum: Let's go shopping       . 

Betty: That's a good idea.

Betty: How do people get to Shanghai? 

Daming：Most people       to Shanghai.