Mom, shall we have supper now?—Oh, we won’t have supper ______ your dad comes back.

_____, the players began the game.

I’m going to buy a new car. Any advice, John—Well, it depends on _______. If money isn’t a problem, you can buy a BMW.

Mr. Li, where is our English teacher I need his help.– Wait a minute. He _______ soon.

下列各句中，表达得体的一句是（ ）