15. Toby __________.(win) a prize in the competition last time.

14. There are some 　　　　　(different) between us.

13. Last Friday lots of _________ (visit) came to visit our new school.

12. The baby is crying hard. Can you help me to make her ___________ (laugh)?

11. Can you finish __________ (read) the story-book in two days, Linda?

10. You look　　　　　　 (焦虑的) .What's the matter?

　 C．用所给单词的适当形式填空．

9. It's 　　　　　　　(必要的) to learn a foreign language well.

8. Their　　　　　　 (化学) teacher is strict with them.