Reported Speech. Indirect questions. Put the following questions into Indirect Speech.

Example: The hired workers asked: ”When will we be paid?”
The hired workers asked when they would be paid.

1. The boss asked his secretary: "Has anybody called while I was out?"
2. My friend asked me: "Do you know where Mary lives?"
3. He asked: ”Have you ever been here?”
4. The teacher asked: ”When will I receive all your essays?”
5. She wondered: ” How much does this service cost?”