Although a sudden change can be a bad thing, it might often be _____ in the long run.
| A．beneficial | B．especial | C．disturbing | D．available |
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 |
The old couple decided to ____ a boy and a girl though they had three children of their own.
| A．adapt | B．bring | C．receive | D．adopt |
My pain _____ obvious the moment I entered the office，for the first man I met asked pitifully，“Are you feeling all right？”
| A．could be | B．could have been | C．must be | D．must have been |