susan's () after supper.takes walks take a walk takeing walks taking walks
问题描述：
susan's () after supper.takes walks take a walk takeing walks taking walks
答
Susan后面有's吗?如果有,答案为D.taking walks与前面的's构成is taking walks.
如果没有's,则答案为A 主语是Susan为第三人称单数形式,故用takes.