Hurry up! The train _______. You know it _______at 10:00pm.
| A．leaves; leaves | B．is leaving; leaves |
| C．leaves; is leaving | D．is leaving; is leaving |
Convenient ___private cars are for us, they may also cause traffic accidents and pollution.
| A．while | B．as | C．if | D．since |
You would not have made so silly mistakes , but it is a pity you _______ my advice.
| A．didn’t accept | B．hadn’t accepted | C．hasn’t accepted | D．wouldn’t have accepted |
Some retired people have nothing to do. They often get together and ___for hours talking about their past experiences.
| A．look around | B．get around | C．turn around | D．sit around |
The British are proud of the 2012 Olympic Games_______ in London.
| A．to hold | B．to be held | C．holding | D．being held |
—What does the sign over there read?
—"No person_______ smoke or carry a lighted cigarette, cigar or pipe in this area．"
| A．shall | B．may | C．must | D．Will |