来自白振刚的问题
【Iamyourteacher.Ifyouhavemanyquestions,youcanaskme.ButIcan'ttalk】
Iamyourteacher.Ifyouhavemanyquestions,youcanaskme.ButIcan'ttalk


【Iamyourteacher.Ifyouhavemanyquestions,youcanaskme.ButIcan'ttalk】
Iamyourteacher.Ifyouhavemanyquestions,youcanaskme.ButIcan'ttalk
whatdoyouwanttosay