--My puter start, no matter how hard I try.
--It might have crashed.
A. won't
B. shouldn't
C. mustn't
D. wouldn't
网友回答
(答案→)A. won't
B. shouldn't
C. mustn't
D. wouldn't
解析：考查情态动词。句意：--无论我怎样试，电脑就是启动不了。--电脑可能是瘫痪了。A愿意，表示事物的属性或倾向；B不应该；C禁止；D愿意，常常不。will可以指某事物具有的某种倾向，如：the door won’t open.门打不开。这里指电脑启动不了，故选A。