It was not until midnight __________ they reached the camp site.
| A．that | B．when |
| C．while | D．as |
—May I smoke here?
—If you ________, choose a seat in the smoking section.
| A．should | B．could | C．may | D．Must |
If you want to catch the first bus you’d better ________ for the bus station immediately.
| A．set up | B．set about | C．set down | D．set off |
Walking around, I found the city was full of people _________ for the New Year’s festival.
| A．making up | B．make up | C．to dress up | D．dressed up |
We are looking forward to _________ a chance to watch the opening ceremony of Shanghai World Expo.
| A．give | B．be given | C．being given | D．Giving |
There’s a man at the reception desk who seems angry. I think he means ________ trouble.
| A．causing | B．to cause | C．to have caused | D．having caused |