用所给词的正确形式填空。

74. Many foreigners can’t get used to _____________(live) in big cities of China because of the serious air pollution.

75. We were all excited about the news that he got ___________ (marry) on January 4^th, 2013.

76. You are supposed to be ____________ (polite) than before when you become a student of Chongqing No. 1 Middle School.

77. Plenty of children in the countryside are ____________(able) to see their parents often because their parents have to work far away from their hometown.

78. Mr. Smith told us that there _______(be) 29 days in February every four years.

79. Most students of Class Two are doing morning exercises while the rest _________ (clean) the classroom now.

80. It’s raining outside. We’d better ___________(stay) at home reading books and watching TV.

81. More and more trees _________(plant) around our city every year so we can enjoy much fresher air now. 

阅读下面短文，然后根据短文内容做练习．

Our School

　　

    This is our school. There are many classrooms in it. There are nine hundred students and seventy-eight teachers in our school. There are many trees and flowers in it. We like our school.

　　

    This is our classroom. It's nice and big. It has four windows and two doors. There are two blackboards on the wall. One is on the front wall（前墙）. The other is on the back wall（后墙）. There are many desks and chairs in our classroom. They are new. There are twenty-six girls and twenty-four boys in our class.

　　

    We have（学习）Chinese, English, maths（数学）and other lessons（其它课程）. Our teachers are good. We all like them.

　　

    We come to school at seven. We have four classes（上四节课） in the morning and two classes in the afternoon. After class（课后）　　 we play basketball or play games. We go home at four thirty. We do our homework at home. We like English.

　　

根据短文内容，选择正确答案回答问题．

　　

(1) How many students are there in your school?　　　

　　

[　　]

A． 900　　　B．　　 78　　　C．　　 50　　　D．　　 1000

　　

(2) Are there seventy-eight teachers in your school?　　　

[　　]

A． Yes, they are.　    　　B．Yes, there are.

　　

C． No, there aren't.　  　　D． No, they aren't.

　　

(3) How many students are there in your class?　　　

[　　]

A． 78　　　B．　　 50　　　C．　　 26　　　D．　　 24

　　

(4) Is your classroom small or big?

[　　]

A． Yes, it is big.　   　　　   B．It's small.

　　

C． it's big.　　　　　　　　　　　　　　 　　　D． It isn't big.

　　

(5) How many boys are there in your class?　　　

[　　]

A． 50　　　B．　　 26　　　C．　　 24　　　D．　　 28

　　

(6) Do you like your teachers?　　　

[　　]  

A． We like them.　　　　　　　　　　 　B． Yes, we like them.

　　

C． No, we don't like them.　　　　　 　 　D． We like

　　

(7) What time do you go to school?　　　

[　　]

A． At seven.　　　　　　　 　　  　　     B．　　 At four thirty. 

　　

C． At five.　　　　　　　　　　　　　 D． At six thirty.

　　

(8) How many classes do you have every day?　　　

[　　]

A． 4　　　B．　　 2　　　C．　　 6　　　D．　　 8