As the mid- examination is coming , the students are busy ____ it.
| A．preparing | B．prepare for | C．prepare | D．prepareing for |
．—I did not know you were good friends．
—You___．I have known her since she moved here．You were abroad then．
| A．may have | B．needn’t have | C．couldn’t have | D．must have |
．The unemployment rate in this district______ from 6% to 5% in the past two years．
| A．has fallen | B．had fallen | C．is falling | D．was falling |
His suggestion ___they have a meeting to discuss the matter is reasonable．
| A．which | B．what | C．that | D．that what |
With Shanghai World Expo drawing near, volunteers are making use of every minute to ________ their foreign language because language volunteers must pass a written test．
| A．take up | B．polish up | C．put up | D．make up |
---How often do you visit your father in the village?
---I feel ashamed．Just__________．
| A．often | B．by accident | C．once in a while | D．all of a sudden |