in their life还是in their lives?这两个短语哪个是正确的,如果都是正确的,

in their opinion还是 in their opinions? in their lives还是in their life什么时候用哪个?麻烦用具体的语境例句帮我讲一下 in their life还是in their lives?这两个短语哪个是正确的,如果都是正确的, their life in the zoo is d___from their life in the forests.应填什么~ their life in the zoo is quiet different from their life in the forests the children in our class ___the heroes in their life experience in life 还是 on life 呢 on my life 还是in my life? Many teenagers feel that the most important people in their life are their friends.They believe thaMany teenagers feel that the most important people in their life are their friends.They believe that their family members don't know them as well as th in their opinions还是in their opinion如题 是in their opinion还是in their opnions如题 he will succeed in life还是in the life为什么? Their life in the zoo is d____ from their in the forests.根据首字母填空 Animals' life in the zoo is quite d__ from their life in the forests. everyone will face many _____ in their life People who are____might have too much yang in their life they lost their 什么（life）in the accident the students write down school life in their d_____.