. — What does the sign over there read?
—“No person __________ smoke or carry a lighted cigarette，cigar or pipe in this area.”
| A．will | B．may |
| C．shall | D．must |
The play had been on for 10 minutes but I was still unable to find a seat __________.
| A．to sit |
| B．to sit on |
| C．sit |
| D．sit on |
__________ the early train, you'll have to get up ear-ly and rush in a taxi.
| A．Catching |
| B．Caught |
| C．To catch |
| D．Catch |
0bama was said __________ in a scandal, so he was like a cat on hot bricks.
| A．to involve |
| B．involving |
| C．to have been involved |
| D．having involved |
Though he had often made his little sister __________，today he was made __________ by his little sister.
| A．cry； to cry |
| B．crying； crying |
| C．cry； cry |
| D．to cry； cry |
The room is too small and it is not fit __________.
| A．to be worked in |
| B．to work in |
| C．to work |
| D．to be worked |