You_____because the exam is very easy.
题目
You_____because the exam is very easy.
A should't have failed
B should't fail
C must have failed
D couldn't have failed
答案
A.
你本不应该考试不及格,因为这考试很简单.
shouldn't have done sth.本不应该做某事（实际上做了）
希望可以帮到你.
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