80. They didn't　　　　 　　　　　　　　　　　　　　　　(开始做家庭作业) until nine

　　　 o'clock yesterday evening.　 (begin)

根据对话内容，从方框中选择4个恰当的句子完成对话，并将所选句子前的字母代号写在答题卡上的相应题号后。

Rick: Hello!　　　 75

Mary: Hello! This is Mary speaking.

Rick:　　　 76

Mary: Yes. I have nothing to do.

Rick: Can you go to the movie with me?

Mary:　　 77

Rick: Let's go to Movie Palace. It's close to home.

Mary: But it doesn't have comfortable seats.

Rick:　　　 78　　　 It's the best theatre in town.

Mary: That's a good idea. Let's meet at the front gate of the cinema at eight. OK?

Rick: OK. See you.

Mary: See you.

A. Well, how about Town Cinema?

B. Hi, Mary. Are you free this evening?

C. I'm sorry to hear that.

D. May I speak to Mary, please?

E. Sure. I'd love to. Where?

74. All of us felt　　　　　　　 (excite) and proud when we watched China's first-ever spacewalk at 4:43 pm on September 27, 2008.

73. I didn't finish　　　　　　　 (write) my test because I ran out of time.

72. I don't understand what they are saying because they speak too　　　　　　 (quick).

71. -Do you have a pen pal, Jeff?

　　 Yes. He's an　　　　　　　 (America) boy.

70. The famous　　　　　　　　 (sing) is going to give a concert to raise money for charity.

69. Be brave, boys and girls! Don't be a　　　　　　　　 of difficulties.

B．根据句意，用所给词的适当形式填空，并将答案写在答题卡上的相应题号后。

68. -I haven't been to, a water park. What about you?

　　 -Me n