Had I known that air conditioners cause so much pollution ,I _ one.

Had I known that air conditioners cause so much pollution ,I _ one.

题目
Had I known that air conditioners cause so much pollution ,I _ one.
A:would never have bought
B:would haven't bought
C; must never have bought
D; must haven't bought
答案
A
是虚拟语气的用法,如果我知道···,我就不会····与过去事实相反,可能是现在已经买了
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.