16.—Where is Tom?—Well,he___you____here.Otherwise he would come down right now.
题目
16.—Where is Tom?—Well,he___you____here.Otherwise he would come down right now.
为什么答案不是has't known,are?
答案
答案是 hadn't known were
这个是描述的过去的事情,是说他过去不知道,所以用hadn't 和were.并且后面用了虚拟语气：“否则他就来了.” 用了would 表示虚拟语气.
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