问题描述：
题目说下面几句话有语法错误,请问错在哪里?我看不出来
1.he traveled to north for business.
2.they were filled by anger in hearing the insults.
3.without its thick fur,polar bears would quickly freeze to death in the icy northern waters.
4.lately,don has been tired very much,so his friend said he should relax for a few days.
5.we all differ from our likes and dislikes.
6.she lives in the house opposite of mine.
7.you must have done a mistake.
8.she is learning to play piano.
1.he traveled to north for business.
2.they were filled by anger in hearing the insults.
3.without its thick fur,polar bears would quickly freeze to death in the icy northern waters.
4.lately,don has been tired very much,so his friend said he should relax for a few days.
5.we all differ from our likes and dislikes.
6.she lives in the house opposite of mine.
7.you must have done a mistake.
8.she is learning to play piano.
问题解答：
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