Having got up late this morning, Mike ran as fast as he could _______ to catch the bus.
| A.hope | B.to hope | C.hoped | D.hoping | 
.—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 |