Passengers are permitted __________ only one piece of hand luggage onto the plane.
| A．to carry |
| B．carrying |
| C．to be carried |
| D．being carried |
The poor boy couldn't work the problem out. He wasn't ____ clever.
| A．that | B．much | C．enough | D．too |
As the film star began to appear，the children watched, ________.
| A．fascinating | B．fascinated |
| C．being fascinated | D．having fascinated |
Only when _____ be possible to sign the contract.
| A．the lawyer comes it will |
| B．does the manager come will it |
| C．has the manager come it will |
| D．the manager comes will it |
Mr. Smith has been to many famous cities in China, _______ Chengdu has impressed him most.
| A．in which | B．on which | C．of which | D．with which |
--How much pepper did you put in the soup?
--I'm sorry to say, ____. I forget.
| A．no one | B．none | C．nothing | D．no |