25．He speaks English well indeed, but of course not ______ a native speaker．

　 　 A．as fluent as　　　　　　 　　　　　 B．more fluent than　

　　　 C．so fluently as　　　　　　　　　 　 D．much fluently than

24．I don’t think you should mention it at the beginning of the story, or it may ____ the shocking ending.

　 　 A．give out　　　 B．give away　　 　　　　　　　　　　　　　　　 C．give up　　　 　　　 D．give off

23．To tell the truth, I would rather that I ____ the pain instead of you．You don’t know how worried I was.

　 　 A．took　　　 　　　　 B．had taken　　　 　　　　　　　　　　　　　　 C．have taken　　 　　 D．should have taken

22．____ of the land in that district ____ covered with trees and grass．

　 　 A．One half; are　　　　　　　　　　 　　　　　　　　　　　　　　　 B．Two seventh; is

　 　 C．A quarter; is　　　　　　　　　　 　 D．Two thirds; are

21．People have lots of problems living in the central Australian desert, ____ the lack of water is the most serious one.

　 　 A．of which　 　　　 B．which　　　　 　 C．for which　　　 　 D．where