语言准确性修改建议 — 英语词汇题
题目
以下是同桌作文中的四个句子，每句均有一处语言错误。请找出错误并写出修改建议（将正确形式填在横线上）。
1. He go to the library every Saturday morning.
2. There are many student in our class.
3. She is more taller than her sister.
4. I have finished my homework yesterday evening.