I can’t say which wine is best, it’s a（n）___ of personal taste.
     A.thing              B. event                 C.affair     D. matter

 It was in the lab___was taken charge of by our teacher____ they did the experiment.
     A. which; that         B. where; which         C. which; where D. that;where

 Our teacher makes good use of any time______ he can spare.
     A. which             B. that                 C. when    D. in which

 London,______ last year, is a nice old city.  
     A. that I visited        B.which I visited        C. I visited  D. where I visited

 Because of my grandma’s poor memory, she has forgotten all____ you told her.
     A. which             B. what               C. as       D./

 The weather turned out to be very good,_____was more than we could expect.
    A. what               B.which              C. as       D. it

The river______ are covered with trees is polluted.
A. of which the banks　　　 B. whose banks
C. the banks of which　　　 D.A,B,C are right　

 My daughter told me that_____ of her homework had been finished.
    A .two-fifth            B. two-fifths        C. second-fifth D. second-five

 The Un is to____an end to the dispute between the two countries. I’m sure the issure will_____ an end soon.  
    A. bring; come to      B. come; put        C. come; bring D. put; come to

 While in London, we paid a vist to the hospital founded______ Florence Nightingale.
    A. in honour of       B. in favour of       C. in line with  D. in place of