一道英语题高中的:It is said that the old coins __ under theearth for about 100 year by the time

一道英语题高中的:It is said that the old coins __ under theearth for about 100 year by the time

题目
一道英语题高中的:It is said that the old coins __ under theearth for about 100 year by the time
they were discovered
A.had buried B.had been buried C,buried D.were buried
答案
B.had been buried
发现的时间是过去,此处要用完成时,因此过去完成时,被埋藏,所以Bhad been buried
据说那枚古币在被发现之前就已经被埋在地下大约有一百年了.
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.