you paid for the taxi fare, please let me pay for our dinner.

Team leaders must ensure that all members ________ their natural desire to avoid the embarrassment associated with making mistakes.

We all want to know who can________the physics problemYou know，it’s very difficult．

You are thirsty, aren’t you? _____he get you some coffee?

Can I see the headmaster at the moment,please — I’m afraid not. He _______out. He_____in 10 minutes.