_Who is drawing a ___(直的）line on the blackbord now?_Mr hu,my maths teacher.
问题描述：
_Who is drawing a ___(直的）line on the blackbord now?
_Mr hu,my maths teacher.
答
_Who is drawing a _straight__(直的）line on the blackbord now?
_Mr hu, my maths teacher.
答
straight快
答
straight adj.直的
答
straight .