My first letter is in teacher,but isn't in tree.My second letter is in too,but isn't in tea.

问题描述:

My first letter is in teacher,but isn't in tree.My second letter is in too,but isn't in tea.
My first letter is in teacher,but isn't in tree.
My second letter is in too,but isn't in tea.
My third letter is in flower,but isn‘t in world.
My fourth letter is the same as my third letter.
My fifth letter is in egg,but isin't in pig.
My sixth letter is the same as one of my other letter.
I’m a kind of drink.what am
It's————?

第一句:a、c、h
第二句:o
第三句:f、e
第四句:f、e
第五句:e
第六句:
结果coffee