帮我看看这篇英语小作文的语法错误吧.
题目
帮我看看这篇英语小作文的语法错误吧.
One day ,Tom went to the park.He wanted to do some exercise.He was rope skipping beside the tree.Suddenly,the tree was broken off by the rope.Tom was very suprised,and he didn’t know how to do.Just then,he got a good idea.He used her rope to tie up the tree.After that,he sang a song and went back home happily.
答案
He was skipping beside the tree. (注：skip单独就有跳绳的意思,不及物动词）
Suddenly,a branch was broken off by the rope.（树枝被折断,而不是树）
Tom was very suprised,and he didn’t know how to do it.（how是疑问副词,得加it.如果是what疑问代词就直接what to do.）
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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