I teach English by______? 答: c.myself A:me 我 [that is me!]b:my 我的[that is my book.]c.myself 我自己/独自 [ I am staying by myself.我独居...]d.mine 我的 [ the book is mine. ]
Cby oneself词组，意思是：单独地/独自地/靠自己。
