在运动中起动力作用的是（    ）

句型转换

（1）Her father can play basketball and table tennis. (改为否定句)

Her father ____  ____ basketball ____ table tennis.

（2）Lucy can dance well. Can you dance well? (改为同义句)

Lucy can dance well. ____  ____you?

（3） Don't be worried about me. (改为同义句)

Don't ____  ____ me.

（4）Mike can play basketball well. (改为一般疑问句并作肯定回答)

—____ Mike ____ basketball well?

—____, he____.

（5）I want to join the Dance Club. (改为同义句)

I ____  ____  ____ join the Dance Club.

    We are learning English, but how can we learn English well ? A student can know a lot about English, but maybe he can't speak English.
If you want to know how to swim, you must get into the river. And if you want to be a football player, you must play football. So, you see, you can learn by using it. You must listen to your teacher in class. You must speak English to your classmates every day and also you must write something in English. Then one day you may find your English very good .