13.The baby’s first front 　　　　　(牙齿)　 are just　 coming　 through.

12.What a　　　 (sun)day it is today.

11.Yesterday Tom　　　 　　me　 some money and I return it to him today.

10.When I saw him,he was walking 　　　　his school.

9.Most parents don’t think it is　　　 　　(health )for children to stay up too late at night

8.You can’t watch TV until you finish　　 　(do) your homework.

6.We need some yougurt,two　　　 (西红柿) and some honey to make the salad.

7He likes to stay at home and help his mother do the housework on　　　 　(星期天)

5.Nancy is　　　 　.Go and find her yourself.(在楼下)

4.I’m really sorry I was late ,I just　　 　the early bus this morning .(错过)

3.It was 　　　　　for human beings to protect the environment in the past.( difficulty)