题目内容：

下列每句中均有一处错误,请找出来并改正
1、I'm sure I'll learn lots of from my new teacher.
2、Do you ever have a opportunity to go to America
3、It's much comfortable to stay in Chengdu than to stay in Chonhqing in summer.
4、It's a good idea for the students study in a quite place.
5、They have a car accident the other day.
6、I have no time going home for lunch.
7、what's your idea about voiunteer?