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the first computer was introduced for___ in business

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the first computer was introduced for___ in business
有四个选项A use
B uses
C used
D using
标准答案选A 为什么呀 for 后应该加动名词呀,我觉得应选D
the first computer was introduced for___ in business
for 加动名词,也可以加名词啊!这题可以用排除 法,首先B,C可以排除.D选 项,如果要选,后面还需要加个宾语,要不然,只有个动词了构成不了.in business是独立的,所以选A.用个名词.就OK了!