2. You should look after your pet well.(同义句转换) 

You should     your pet.

1. Everyone is here.(改为一般疑问句，并作否定回答)

 everyone here?  ，   .

9. —What made you   (wake) up so early? —My clock.

8. Thank you for   (teach) me how to keep pets.

7. Yesterday I   (hear) from my father. He   (come) back next week.

6. The whole family   (worry) about the missing cat at the moment.

5. As a student,it's not good   (be) late often.

4. I saw a dog   (lie) on the road on my way home.

3. Why  you   (brush) your shoes just now?

2. We’ll go out for a picnic if it   (not snow) .