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．

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　　　　　

67．Shirley Temple b　　　 　　　　　a movie star when she was three years old．

66．China will have her sixtieth birthday on O　　　　　　　 1st this year．