5.She must have gone out early.She had not shown up at breakfast.(合并成并列句)
题目
5.She must have gone out early.She had not shown up at breakfast.(合并成并列句)
答案
She must have gone out early because she had not shown up at breakfast.
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