21. Is that her e                ?

22. Miss Qin is a good t                . She teaches(教) English well.

23. Here you are. And h                 yourself to some apples, please.

24. C                 are very important(重要的) in modern(现代的) world. People use(用) them to do many kinds of things.

25. I want to borrow a book, but the librarian isn't at the l                .

26. There are thirty students in the c                . They are having a class meeting.

27. The two little girls are crying. They can't f                 their mother.

28. --- Thank you for your help.

--- You're w                .

29. --- What's this in English?

--- It's an e                .

30. I want to be a t                 in school.

31. What a nice girl Sally is! She often h                 to do the housework.

32. Everyone can play the c                 games in my class.

33. There is a l                 in our school. We can borrow books from it.

34. There is teacher's desk in my c                .

35. Let's go and f                 them.

36. --- Thank you for your advice, Jenny.

--- You're w                .

37. I have an e                . I use(使用) it to correct(改正) the words.

38. His father is an English t                .

39. He often h                 me with my English.

40. Is there a c                 room in your science building?

41. These are Tom's                 (词典). Give them to him.

42. Is this your                 (电脑) game?

43. I often go to the school                 (图书馆). I like reading books there.

44.