51.‘It’s time for you to ____________ (改变) your diet and lifestyle,’ the doctor said.

52. Smoking is bad for your ___________ (健康).

53. Do you have ___________ (足够的) time to finish the work?

54. Beijing is the c__________ of China.

55. ―Are you from different __________ (国家)? ―Yes, you are right.

五．用所给词的正确形式填空。（15分）

56. We’d like to come. We look forward to _________ (see) you at the party.
57. Amy invites us _________ (visit) the Palace Museum tomorrow.
58. There are a lot of ______ (shelf) in our school library.
59.They ____________ (meet) at the school gate at 8:00 tomorrow morning.

60. What about            (go) out for a walk?

61. One of the           (waiter) is his son.

62. September is the          (nine) month of a year.

63.Some animals are ___________(danger).

64.We Chinese are always           (f riend) to the foreigners.

65It takes us two years_________ (build) the building.

66.There are lots of things _________( do ) in Sunshine Town .

67.I’ll ask him ________ (call ) you back .

68.________ you _______ ( hold ) a party tomorrow evening.

69.It’s five fifty now. He ________ ( read ) English .

70.What time ________ she ________( get ) up in the morning ?

请以Star Shopping Mall为题，根据以下信息写一篇60-80词的小短文，可适当发挥，切忌逐字翻译。要点如下：

1. 我家附近有个名叫Star的购物中心；

2. 有三层。营业时间从早八点到晚十点；

3. 一层出售各种服装，是女士所爱；二层出售各种食品；三层是 孩子们的游乐场；

4. 商品物美价廉，工作人员态度好；

5. 它真是个购物的好去处。