As many as five courses are provided, and you are free to choose ______ suits you best.
| A．whichever | B．whatever | C．whenever | D．wherever |
When ______ different cultures, we often pay attention only to the differences without noticing the many similarities.
| A．comparing | B．being compared |
| C．compared | D．having compared |
From his ____ voice on the phone, I know everything is going under way.
| A．satisfactory | B．satisfying | C．satisfied | D．satisfaction |
Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited．
| A．the; the | B．/; / | C．/; the | D．a; the |
We have every reason to believe that _______2010 World Expo in Shanghai will be _______ success.
| A．/ ; a | B．the; / |
| C．the ; a | D．a; a |
----Have you known Professor Jackson in our department for a long time ?
----Yes, since he _____ the our university.
| A．has come | B．comes | C．had come | D．came |