为什么是I find science really difficult ,而不是I find science is really difficult

为什么是I find science really difficult ,而不是I find science is really difficult I find science real difficult for me哪错了 I perfer the subject.The subject is science.（改为定于从句）为什么是The subject that I prefer is science. I find no people around为什么是这样?I don't find people around 请讲讲相关的语法 It's just that I find science really difficult 中science后不加was或is?是表语从句吗? I find it hard （to learn） Chinese well 为什么是to leaI find it hard （to learn） Chinese well为什么是to learn I find that spoken English is very difficult for me为什么是spoken? i find jane easy to work with为什么with没有宾语,为什么是这样的语序? 英语翻译I wasn't ___ ___ find that my worst report ___ ___ my science teacher It's just that I find science really defficult.是从句么?这是书上原文 什么是 associate of science 我发现这份工作很无聊 为什么是I found the job boring而不是I find the job boring 英语翻译lazy.I wasn't surprised to find that my worst report was from my science teacher.it's just that i find science really difficult.that‘s about all the news i have for now.send their love. I like science best at school该为同义句 I find science is really difficult.改同义句I find _____ _____ ______.改为同义句,并说明这样改的理由（句型结构）.谢谢~~ When I came home,I _____my father __________ a newspaper.A.find,read B.found,reading C.found,reads D.find,readingfound find 的区别用法 快后面的呢？为什么是reading It is just that I find science really difficult 什么句型呢?不清楚!是表语从句还是强调句型! it's just that i find science really difficult 翻译下.还有,句子中那个just是什么意思?