改错题：Cindy and Mike are very good friends.They live in the Ea

改错题：Cindy and Mike are very good friends.They live in the East Coast.They study in the same collage.And they always give advices for each other.四个错
我的修改：改错题：Cindy and Mike are very good friends.They live on the East Coast.They study in the same college.And they always give advices to each other.只有三个.