Question

There is a safe in the room. You have to keep the door open. I will take some amount of money to you. Keep the money hidden in the safe. Let's keep it a secret. Don't let others know that there is money in the safe. There was a doorbell ring. He was late to open the door, for he dad to keep the money hidden in the safe and lock it. He opened the door and said, "I'm sorry to have kept your waiting."

(Would you check the passage? Correct errors,please.)

Q2: He kept him wait in the park.
(Is this correct?)

Answer 1

There was a doorbell ring. He was late to open the door, for he dad to keep the money hidden in the safe and lock it. He opened the door and said, "I'm sorry to have kept your waiting."

My corrections: The doorbell rang. He was late opening the door, for he had to keep the money hidden in the safe and lock it. He opened the door and said, "I'm sorry to have kept you waiting."

Q2 should be this: He kept him waiting in the park.