为什么常用i find it interesting 而不常用i find it's interesting

为什么常用i find it interesting 而不常用i find it's interesting? 为什么常用i find it interesting 而不常用i find it's interesting I find it +adj.为什么用it? I find it fun and relaxing中find it 后为什么加 relaxing而不是relaxed I find it fun and relaxing中find it 后为什么加fun而不是funny? I find（）difficult to find a job是填it还是that 为什么 为什么要说I find it hard to do而不说I find it's hard to do I find it interesting to work with him.为什么用it 而不用it's? INTER Inter I'd find it a i find it interesting文章 i find it kind of why I CAN FIND IT? 为什么国际米兰的英文是Inter nazionale而不是 Inter Milan I find it difficult to learn English well.这里,为什么不是it is difficult?求解! I find it interesting to learn English.为什么it后面不可加is. I find ( ) easy to learn English well.A.it B.it's为什么不选B?