Long long ago,people didn't know the earth ________ round the sun.A.moving B.moved C.moves D.went

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Long long ago,people didn't know the earth ________ round the sun.A.moving B.moved C.moves D.went
Long long ago,people didn't know the earth ________ round the sun.
A.moving B.moved C.moves D.went

Long long ago,people didn't know the earth ________ round the sun.A.moving B.moved C.moves D.went
答案C 解析:在宾语从句中陈述内容为真理或客观事实等情况时,用一般现在时. 查看原帖>>
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