the team really looks good tonight because the coach had them__every night this week
题目
the team really looks good tonight because the coach had them__every night this week
a.practice b.practiced c.to practice d.the practice
答案
A.had这里是使役动词,和make/let等类似,跟原形
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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