Long ago,people didn't know the earth＿＿round the sun.A.moves B.were moved C.moved D.had moved
问题描述：
Long ago,people didn't know the earth＿＿round the sun.A.moves B.were moved C.moved D.had moved
答
选A。the earth moves round the sun 是个宾语从句，省略了关系词that。
答
A.moves
太阳绕地球转
为事实，古今不变
望采纳！
答
A 真理事实用一般现在时