have some trouble(difficult)
题目
have some trouble(difficult)
My deskmate has some trouble ____some of the words in American English meanwhile I have some difficulty ___my in my pronunciation.
A．with ,with B in,with C ,in,in D with ,in
请大家帮下选什么,为什么,请说清楚
答案
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