—We all had a lot of fun at the barbecue yesterday. Pity you weren't there.
—I really should have gone with you but I________on some remaining problems.
| A．worked | B．was working |
| C．would work | D．would have worked |
—Don't use my handkerchief to wipe the table，gentleman.
—Oh, I' m very sorry.I________clearly.
| A．didn't see | B．hadn't seen |
| C．wasn't seeing | D．can't see |
—What's that terrible noise?
—The neighbors ________ for a party.
| A．have prepared | B．are preparing |
| C．prepare | D．will prepare |
When I met him the other day，it was the first time we ________ each other since we were at school.
| A．saw | B．had seen |
| C．were seeing | D．have seen |
The country life he was used to________greatly since 2002.
| A．change | B．has changed |
| C．changing | D．have changed |
—What a mistake!
—Yes. I ________ his doing it another way, but without
success.
| A．was suggesting | B．will suggest |
| C．would suggest | D．had suggested |
—Have you known Dr. Jackson for a long time?
—Yes，since she ________ the Chinese Society.
| A．has joined | B．joins |
| C．had joined | D．joined |
Progress ________ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
—Why don't you go home?
—Because a lot of work________yet.
| A．hasn't finished | B．hasn't been finished |
| C．has been finished | D．haven't finished |
I'll return the book to the library as soon as I________it.
| A．will finish | B．am going to finish |
| C．finished | D．have finished |