52. She does her homework at home.(改为否定句) 

She               her homework at home.

51. Our class has fifty students.(改为同义句) 

            fifty students in our class.

A：Father's Day is coming. 46      . 

B: A shirt.

A：That sounds good.

B: 47.         

A：I have no idea. 48      .

B: Why not buy a pair of shoes for him?

A：I want to,but I don't have enough money.

B; Let me see. 49      .

A：Yes. He likes sports very much. 

B: Well. There is a football match next month. You can buy a ticket for him.

A：Sounds great! 50.         

B; You're welcome.

   A. What sports does your father like?

   B. Can you give me some advice?

   C. Thank you very much.

   D. What about you?

   E. Does he like sports?

   F. What gift does he like?

   G. What are you going to buy for your father?

45. There are some big and red        (tomato) in the box.

44. She        (not play) tennis or basketball.

43. The zoo has many animals,such as        (monkey) , tigers,zebras.

42. She is good at        (make) cookies and they are delicious.

41. Noodles are        (health) food.

40. I like English very much,but it is a little d        for me.

39. It is usually very hot in June,but s        it can be cool.