找出下列句子错误的地方,并改正.先找出哪里有错,再改正
题目
找出下列句子错误的地方,并改正.先找出哪里有错,再改正
sandy like to ride a bike
they going to the fun fair
bobo's birthday is on july fourteen
we like eat cotton candy
答案
Sandy likes to ride a bike .Sandy 是第三人成单数
They are going to the fun fair 正在进行时 be 动词+现在分词
Bobo's birthday is on july fourteenth .几月几日要用序数词
We like eating cotton candy like doing sth
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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