1.Mary is a student.畫線句提問 劃線部分是Mary 2.l

題目：

1.Mary is a student.畫線句提問 劃線部分是Mary 2.l
1.Mary is a student.畫線句提問 劃線部分是Mary 2.l went back beceucse the door dosed.劃線部分是beceucse the door dosed

解答：

who is a student?
再問： 第二句呢？
再答： Why did Mary go back ?