than me,than i and than mine请高人帮忙指点

than no sooner ..than 请高人指教, I have a brother who is two years older than me 还是mine His pen is more expensive than _____.a.i b.mine c.my d.me She works better than I.为什么不是 than me? 1、Mike is heavier than me 2、Mike's ruler is longer than mine 还有一个.your mine is than and backpack heavier bigger she is more athletic than i am 为什么用than i am而不是than me Your room is__________ than mine bigger,stronger,are,than,you,and,me(?) 请帮我讲解一下这个英语句子：Anything less than a B from me and I'm in trou I think lili`s english is very goog than mine