—Hi, why are you here?—I ________ for Susan for 15 minutes.A. have been waiting B. have waiting C. am waitingD am been waiting
Where_______ your gloves? I can' t find_______.
_______ apple a day keeps_______ doctor away.
College is _______ time when you can learn many new skills, including how to live and work with_______ people from different backgrounds.
- Mum, we must have the computer_______. I want to send an e-mail to my friend. - OK. I'll have Uncle Li_______ it this afternoon.
The new law says that people_______ drive after drinking wine.