11 the sister asked were tom hungry 

9.I think they should offer Tom the job?
- I think Tom should offer the job.
10. Has anybody shown you what to do?
- Have you been shown what to do yet?
11. The sister asked:''Are you hungry, Tom?''
- The sister asked if Tom were hurngy.
12. ''How do you go to school?'' the old woman asked me
- The old woman asked me how I went to school
13. This is a machine wich is used to wash clothes
- This is a clothes-washing machine.
14. She invites me to the party
- I am invited to the party.
15. I started playing the piano two years ago
- I have played the piano for 2 years.
16. ''I sometimes work on Sundays'' Huong said
- Huong said she sometimes worked on Sundays.
17. They told him to stay home for three days
- He was told to stay home for 3 days.