A. with
B. for
C. to
D. by

A.for
B.to
C.at
D.by

A.at
B.for
C.with
D.in

A. after
B. with
C. for
D. in

A. warm enough of            
B. enough warm for
C. too warm enough              
D. warm enough for

A. at            
B. in            
C. by          
D. for

A. after            
B. at                
C. about

1. It is my first time to be on a plane, so I don't know what I should do.(改为同义句)
    It is my first time to travel ________ plane, so I don't know what __________ __________.
2. "I am popular at school," he thought.(改为间接引语)
    He thought __________ __________ popular at school.
3. The policeman told the boys not to play football in the street.(改为一般疑问句)
    __________ the policeman __________ the boys not to play football in the street?
4. He was reading a book on the playground.(对画线部分提问)
    __________ was he __________ on the playground?
5. If he has enough money, he __________ __________ __________ __________ __________(将会买一座新房子).(完成句子)

A. for            
B. to              
C. with            
D. in

A. in            
B. at          
C. on