The police still haven’t found her, but they’re doing all they _____.
| A．may | B．can |
| C．must | D．will |
.---Mary has a very low opinion of George.
---It can' t be any worse than ____ of her.
| A．he | B．his | C．him | D．he does |
To his surprise, his new play well ____ by the public in China, met a cold welcome abroad.
| A．received | B．accepted | C．accepting | D．receiving |
---Would you please give him the paper the moment he ____?
--- No problem.
| A．arrives | B．appearing | C．came | D．reaches |
I'd love ___ to your party last Sunday if not because of the unexpected guests.
| A．to go | B．going | C．having gone | D．to have gone |
To our surprise, the painting considered______ should have won the prize.
| A．being copied | B．having been copied |
| C．to have copied | D．to have been copied |