I can’t pretend ________ happy when I am not.
| A．to be | B．to have been | C．being | D．having been |
— How about the suggestion Prof. Smith put forward at the meeting last Friday?
— The committee discussed it for hours without a decision _______.
| A．taking | B．to take | C．being taken | D．taken |
The poor man, ______, ran out of the dark cave.
| A．trembling and frightened | B．trembled and frightening |
| C．trembled and frightened | D．trembling and frightening |
On Christmas Eve, we put up some balloons to _______ the festival atmosphere.
| A．make for | B．add to | C．add up | D．join in |
We went to forbidden City last month, ______, not surprisingly, was crowded with visitors.
| A．that | B．where | C．which | D．when |
— Linda, can you give me some tips on doing this project?
— Sorry, but I’m not the person to ______ how the job should be done.
| A．determine | B．persuade | C．recommend | D．influence |