The problem of carbon emission ____ at Copenhagen Summit has aroused the public’s wide concern.
| A．discussed | B．having been discussed |
| C．being discussed | D．to be discussed |
_______, everything would have been all right.
| A．He had been there | B．There he had been |
| C．Been there he had | D．Had he been there |
Don’t believe him. He is good at_________ all kinds of excuses.
| A．picking up | B．taking up | C．making up | D．bringing up |
Their performance was much better than_________.
| A．expected | B．it expected | C．expecting | D．it is expected |
Could I have a cigarette? I seem_________.
| A．to run out | B．to have run out |
| C．to have run out of | D．to have been run out |
Are you satisfied with the way_______ he explained the problem?
| A．which | B．by which | C．in that | D．/ |