24. He didn’t fall asleep u(　　　 )12’clock at night.

23.We must care (　　　 )the wild animals (　　　 )danger.

22.We show much interest (　　　 ) English.

21.Don’t play jokes (　　　 )me,and please be serious.

20.What do you mean (　　　 )saying that?

18.If you are free ,please come over (　　 ) my house to have a rest.

17. Don’t laugh (　　　 )others when you are (　　　 ) trouble.

16.(　　　 )weekdays, I learn many lessons,(　　　　 )English,math and Chinese.

15. We are weak (　　　 ) math and Chinese.

14.He was ill (　　 )bed. I was worried (　　　 )him very much.