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英语语法1.Inonemorningeverythingtheyhadlearnedaboutdifferenceswaserasedfromtheir(memory).their后面为什么不是memories.2.shewantsempathy,buthethinksshewants(solutions)solution为什么要加s,wants后面不是应该用单

题目详情
英语语法
1.In one morning everything they had learned about differences was erased from their(memory).their后面为什么不是memories.
2.she wants empathy,but he thinks she wants (solutions)solution为什么要加s,wants后面不是应该用单数的嘛
3.Let's pretend to go back in time,where by observing(life)on Mars and Venus before(the planets)discovered one another or came to Earth.observing后面为什么不能是the life,planet为什么是特指the还加s.
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答案和解析
亲 want是指第三人称单数的时候 后面加s
因为 observing 是形容life
名词的复数可以加s
第三人称单数 he she 一般现在时 动词后面加s