3. If you finish your work,I will let you go home.(同义句改写)

I let you go home you finish your work.

2. The kite isn’t light enough. It can’t fly in the sky.(两句并一句) 

The kite is in the sky.

1. She doesn’t bark. She doesn't miaow.(两句并一句) 

She doesn’t.

5. Yesterday I  (see) a dog (lie) at the school gate.

4. He never (make) any trouble. He is a good student.

3. One of the twins (play) the piano well,but the other doesn’t.

2. Please stop the children (shout) because your father (sleep) .

1. Don’t forget (bring) my lunch to me.

() 8. The light in his room isn't on now. He be in.

   A. couldn’t   B. mustn’t   C. can’t   D. may not

() 7. Jim knew nothing about pets his father told him about them.

   A. after   B. until   C. if   D. because