是in our opinion,还是in our opinions啊?

是in our opinion,还是in our opinions啊? 是 in my opinion 还是 on my opinion 是to my opinion 还是 in my opinion 是in their opinion还是in their opnions如题 问一下哪种表达是对的：A.in our opinion B.in our opinions in our opinion in our opinions都对吗? in their opinion还是 in their opinions? in the opinion of后是mine还是me 是in our life 还是in our lives? 请问是in our life还是in our lifes呢? 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 翻译“In my opinion,we should cherish our life.” in their opinions还是in their opinion如题 in our opinion的opinion可以加s吗大神们帮帮忙 是in our class 还是at in my personal opinion对吗?还是in my opinion第一句有语法错误吗? 英语-是in our lawn还是on our lawn? in my opinion