57. How long did it take__________ (see) your grandparents?

56.__________ (run) is our favorite sport.

55. He__________ (see) a film tomorrow with me.

C)用所给动词的适当形式填空。(共10分)

54. Hong Kong is a (busy) city than Tianjin.

53. Jim is good at (study) English.

52. We had an__________ (interest) holiday in America last year.

51. What is the (big) animal in the world?

50. He runs much__________ (fast) than Tom.

49. What__________ you (do) just now?

48. Miss Hart often did some__________ (shop) in the evening.