6. My mother let me　 ____　　 　(not do) it by myself.

5. Uncle Wang can make his kite　 ___　 　(fly) higher in the sky.

4. Li Ming was very tired，but he kept 　　____　 　(work).

3. He found it hard　 ____　 　(catch) up with his class.

2. They　 __　　 　(work) here since they　 _　 　(come) to China.

1. Her mother told her　 ____　 　(not read) in bed.

10.It’s dangerous to play on the railway t_______. Come here quickly.

9. My aunt g__________ from Tsinghua University two years ago. She teaches in a college in Beijing.

8. His mother took him out of school and she t　　　 　him at home.

7. The boy always asked lots of s　　　 　questions in class.