in their opinion还是 in their opinions?

in their opinion还是 in their opinions? in their opinions还是in their opinion如题 是in their opinion还是in their opnions如题 in their opinion 中的 opinion有复数么? in their opinion opinion后是否加s 为什么in their opinion中的opinion不加s? 是 in my opinion 还是 on my opinion 是to my opinion 还是 in my opinion In my opinion,the students had better finish their college 关于in one’s opinionin one’s opinion= in the opinion of sb.依某人看来我想问in my opinion= in the opinion of me 还是in the opinion of mine 还是in the opinion of in my personal opinion对吗?还是in my opinion第一句有语法错误吗? i have the same opinion with you还是i have the same opinion as you 是in our opinion,还是in our opinions啊? In my opinion,students should not be judged by___ they have achieved in their study In your opinion,whatever I have done is wrong. in the opinion of后是mine还是me 哪位能肯定的回答in their opinion后加s吗? people is limited for expression their opinion in some country 有语法错误么?谢谢!