第二部分：单项填空（共20小题；每小题1分，满分20分）
21.What _______ pity that you must leave now! It is such _______ great fun to have dinner with you．
A． a; a B． a; the C． /; a D． a; /
22.All those second-hand cars are sold at before．
A．40％as lower price as B．40％as low a price as
C．as 40％low price as D．40％lower price than
23.In the reading room, we found her ________ at a desk, with her attention ________ on a book.
A. seating; fixing B. seated; fixed C. sitting; fixing D. to sit; fixed
【答案】B
【解析】
24.He bought a house,___________ the price is reasonable.
A. whose B. its C. of which D. of whom
