I would have told him the answer had it been posible ,but I ____so busy then.
题目
I would have told him the answer had it been posible ,but I ____so busy then.
A had been B were C was D would be
请问选什么为什么,
答案
C was
I would have told him the answer had it been posible ,为虚拟语态,而but I ____so busy then.为非虚拟语气,then提示是过去,故选was
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