He spent a whole morning cleaning the room.(对划线部分提问) _______________
题目
He spent a whole morning cleaning the room.(对划线部分提问) _______________
答案
How long did he spend cleaning the room?(划线是 a whole morning时)
/
What did he spend a whole morning doing ( 划线是:cleaning the room )
加油!不明白再问!
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