--Does he always keep an appointment, Jenny'?
-- Seldom, ______.
| A．if any | B．whenever possible | C．if ever | D．when necessary |
We_______onitforseveralhoursbutwehavenotyetreachedanyconclusion.
| A．work | B．areworking |
| C．havebeenworking | D．havebeenworked |
I ____ to go for a walk, but someone called and I couldn’t get away.
| A．was planning | B．planned | C．had planned | D．would plan |
Salley________Beijing for Shanghai and________there ever since. You can go and pay her a visit on your way to Hangzhou.
| A．has left; worked | B．left; worked | C．has left; had worked | D．left; has worked |
—Why do you look so worried?
—Fred left the company half an hour ago. His work _______ unfinished since.
| A．left | B．was left | C．has left | D．has been left |
If you __________ me, I will give you some advice.
| A．listen to | B．will listen to | C．listen | D．are listening |