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难道可以说He spent one hour in finishing his homework!finish作为瞬间动

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难道可以说He spent one hour in finishing his homework!finish作为瞬间动词,怎么能用one hour 修饰
如果能,为什么
若不能,怎么又能用 It took him one hour to finish his homework?
不能
因为finish不能表示一种延续性的动作,而spend time in doing 表示一段时间一直在做什么事,可以说He spent one hour in doing his homework.
而It takes sb.time to do sth.中的to do sth好象目的状语似的,这里的动词可以是非延续性的