George: May I speak to Mr. Ben, please? Secretary: I’m afraid he ...................... a meeting right now. Could…

Steve has been in the interview ............... over two hours.

If they have the resources, they ................ a public park.

If you want to be a college professor you ...................... hard for many years.

Yusuf lost his entire research project --------------- his computer crashed.

I asked for something to drink, and I ..................a glass of water.