1/Do you know who invented the mobile phone?

2/ Can you tell me if the John`s coming to?

3/I wonder whether you can recommend a good bookshop.

4/ Have you any idea how long the interview will take?

5/We`d like to know where we can get a bus timetable.

6/Can I ask what you`re doing later this evening?

7/Could you tell me whether there were any phone calls while I was out?

8/ Would you mind me how often you telling on business travel abroad?