English grammar direct indirect questions

English grammar direct indirect questions. Transform the following direct questions into indirect questions in English. Remember about the right order of the words in the indirect question.
1. How long will you be staying here?
Could you tell me ?
2. Where do Tom and Betty live?
Do you know ?
3. Would you look after the children this evening?
I wonder if .
4. Where is the nearest post office?
Could you tell me ?
5. Could you give me his email address?
I wonder if ?
6. Where will Tom be staying?
Do you know ?
7. Why did Tom and Bob leave so suddenly?
I wonder ?
8. Do the shops open at the weekend?
Can you tell me if ?
9. What would he like for his birthday?
Do you know ?
10. When does the last bus leave?
Can you tell me ?