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eduson ------- many things in his lifetime,all his ------ were very important.〔invent〕
人气:178 ℃ 时间:2020-03-26 22:33:38
解答
invented
inventions为什么这样填?第一空填动词,爱迪生一生发明了很多东西。第二空填名词复数,他所有的发明都很重要。是他过去发明的,用过去时,所以要加ed?正是。
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