各位英语大峡,帮帮偶!Are there some cars in front of the building?(改错)
题目
各位英语大峡,帮帮偶!Are there some cars in front of the building?(改错)
答案
Are there some cars in front of the building?
there be 句型中,肯定句变成否定句和疑问句时,some,many要变成any
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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