一、写出下列动词第三人称单数的变化形式:
be , have , come, go , stay , teach , write , take , study , watch , fly ,play
二、 用括号中所给词的适当形式填空；
1．The buses ____ (use) a lot of oil.
2．Each of us ____ (have) strong points and weak points.
3．My daughter___ (watch) TV every day. Sometimes she ___ __ (see) a film on Sunday.
4．Li Wei__ (have) a daughter. She___（stay）in a nursery（托儿所）.
5．Our family ___ (be) a happy one.
