Turn it into a direct question: Do you know if they are hiring here?
Are they hiring here?
Turn it into a direct question: Would you be kind to tell me if they accept Euros here?
Do they accept Euros here?
Turn it into a direct question: Could you tell me if there is a café around here?
Is there a café around here?
Turn it into direct: Could you tell me what time it is?
What time is it?
Turn it into a direct question: Do you happen to know if shops close late here?
Do shops close late here?
Turn it into a direct question: Would you please tell me what the nearest subway station is?
What is the nearest subway station?