72. We have ______ homework to do every day.　

　 A. most　 B. many　 C. more　 D. a lot of

71. Aren't all balls round? ___________.　

　　　 A. Yes, they are.　　 B. No, they aren't.　 C. Yes, they aren't.　 D. No, they are.

70. Will you go and ____ the football game?

　 A. look B. watch　 C. see　 D. have a look

69. But　 ____ late next time.　　

　A. not be　 B. don't　 C. aren't　 D. don't be

68. T:Good morning, boys and girls. I'm your new teacher.

　 S:Good morning, Mr. Green. _____________.

　　　 A. Welcome back to class.　　　　　　　　　　　　 B. Welcome to our class.

　　　 C.　 Thank you very much.　　　　　　　　　　　　 D. It doesn't matter.

67. Our classroom is on ______ in the school building(大楼).

　　　 A. the threeth floor(层)　 B. the third floor　 C. a third floor　　 D. three floors

66. I don't have ______ eraser, I want to buy ____.　

　A. an, it　　 B. an, one　　 C. a, one　　　 D. a , it

65. It's cold(冷) outside. Let me ____ more clothes.

　　　 A. put away　　　 B. put on　　　　 C. take off　　　　　 D. get on

64. Kate's ruler is_______ than ________.

　　 A. much longer, LiLei B. much long ,LiLei's C. long much, LiLei D. much longer, LiLei's

63.　 ________fly the kite?　 Good idea.　　　　　

　　 A. Shall we　　 B. Shall you　　 C. Would you like　　 D. Why do