2.He has succeeded (　　 )overcoming the difficulty.

1. Do you reply (　　　 )this letter?

12.My mother didn’t allow me to practise (　　　 )(run) on the school nights.

11.Why is it good (　　　 )(volunteer)?

10.The other day,my friend and I (　　　 )(talk)about the rules in our school.

9.He needs time (　　 )(do) homework.

8.He needs (　　　 )( sleep),because he has been working many hours.

7. He should stop (　　 )(wear) that silly earring.

6.Our school doesn’t allow (　　 )(wear) colourful clothes.

5. Her mother didn’t allow her (　　 )(get) her ears (　　　 )(pierce).