I like to have my bed_________clean and tidy.
题目
I like to have my bed_________clean and tidy.
A.look B.looking C.to look D.looked
选择哪个?不是有个have something done 的句型.
答案
答案是 A.look
have something done :done 与 something之间是逻辑动宾关系.
have something do :something 与 do之间是逻辑主谓关系.
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
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