Where does he work? Opener: Do you...?
Do you know where he works?
Was he interested in the job offer? Opener: Could you...?
Could you tell me WHETHER he was interested in the job offer?
Where did he travel last week? Could you...?
Could you tell me where he travelled last week?
Why are you here? Opener: I wonder...
I wonder why you are here.
Does your colleague like flying? Opener: I´d like to...
I´d like to know WHETHER your colleague likes flying.
How long will she be abroad? Opener: Do you have...?
Do you have any idea how long she will be abroad?
Why does she need more time? Opener: I wonder...
I wonder why she needs more time
What time is the meeting? Opener: Could you...?
Could you tell me what time the meeting is?
Has the film started yet?Opener: Do you...?
Do you know if the film has started yet?
Did she go shopping? Opener:I´m not sure...
I´m not sure if she went shopping.