早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Twenty years ___long for us but only a short time in human history A is B are Cwas Dwere

题目详情
Twenty years ___long for us but only a short time in human history A is B are Cwas Dwere
▼优质解答
答案和解析
Twenty years ___long for us but only a short time in human history A is B are Cwas Dwere
选A
twenty years看成一个整体
谓语动词用单数
又因为说的是一个事实
所以用一般现在时