57. I’m looking forward to　　 　　　　(提高) my English.

56. He said he would come　　 　　　　(在……之间) 5 o’clock and 6 o’clock.

55. Please tell me the w　　 　　　　　telephone number, I want to interview him.

B)根据句意及汉语提示，写出各单词的正确形式，每空填一词。

54. Eat some vegetables and fruit every day because they are h　　 　　　　　food.

53. Pay more attention to t_______　 exercise every morning .

52. 　L　　 　　　　　, John got back the notebook that he had lost at the cafe.

A)根据句子意思，用括号中所给词的正确形式填空，每空填一词。

51. How many times do you brush your t　　 　　　　　every day?