– Have you heard that Tom, along with his parents, ______ to Japan?
-- Really? No wonder I haven’t seen him these days.
| A．has been | B．has gone | C．have been | D．have gone |
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 |
--- 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 |