根据短文内容，完成下列各题。

     Jeff and John are good friends. They are from different countries. They are now in China. They are in

the same class. Jeff is twelve, but John is eleven. Jeff is from the U.S.A. John is from England. They both

speak English. Jeff usually goes to school on foot. John usually goes to school by subway. Mr.Yang is their

Chinese teacher. Jeff is good at Chinese. He can speak Chinese very well. But John can't. He can only speak

a little Chinese. Mr.Yang and Jeff often help him with his Chinese. 

1. Jeff is American, but John is English. (改为同义句)

    Jeff and John _____ from different _____.

2. Jeff usually goes to school on foot. (改为同义句)

    Jeff usually _____ _____ school.

3. Who can speak Chinese very well, Jeff or John?

    __________________________________________________

4. How does John usually go to school?

     __________________________________________________

5. Do you think Mr.Yang is a good teacher?

    __________________________________________________