Peter will not leave there until he will see the car with his own eyes.有一处错误,是哪里
题目
Peter will not leave there until he will see the car with his own eyes.有一处错误,是哪里
答案
will see 改 sees
until 引导的时间状语从句 主句是将来时 从句用一般现在时
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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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