--- Something wrong with my headache .
--- No wonder. You ___________ on the program for such a long time.
| A．have worked | B．worked |
| C．have been working | D．were working |
The manager says he really can't _____ to wait another day, because he is so busy．
| A．waste | B．afford | C．spend | D．cost |
The famous reporter, who is said to have gone back to America last year, _____in China for almost twenty years．
| A．lived | B．was living | C．has lived | D．have been living |
The new method Mr．Wang has been devoted to _____ effective．
| A．is proved | B．to prove |
| C．being proved | D．proves |
Whom would you rather _____ with you, Wang or Zhang?
| A．have to go | B．have go | C．to have go | D．have going |
This party is _____ a success _____ the famous actress's absence．
| A．by far; owing to | B．far from; due to |
| C．above all; because of | D．far away from; thanks to |