请帮我看看这句话错在哪

题目

请帮我看看这句话错在哪
In my opinion,I think students should not date as it can affect their studies.
不需要改这个句子的句式 就请告诉我原句中错误的地方就好了谢谢

答案

"In my opinion"与" I think"是相同的意思,句子前后重复.