I Think　it’s too diffcult 为什么要加it’s

I Think　it’s too diffcult 为什么要加it’s I would like__maths,I think it's diffcult to learn It's too diffcult to.啥意思 I think it's older ,too it's so diffcult a question.i think he will have problems （ i don't think it's ----too large I think it ’s too hard to understand speak English I think they wear them because it's too h_____ I don't think it matters matters 为什么要加s She（thinks）（it's）easy for her.为什么think要加s 为什么要用i Think it over ,I think it's I have a math,it's diffcult and boring改错