if you had seen the room 这句话语法对吗
题目
if you had seen the room 这句话语法对吗
错了，i want to know if you had seen the room
答案
我觉着应该是：I want to know if you saw the room.
过去完成时(had done)应该用在过去的过去
即 I wanted to know if you had seen the room.
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
最新试题
热门考点