题干
——Do you know how her grandpa passed_____?
——He died _____ illness.
A：off, from
B：out, from
C：away, for
D：away, of
答案(点此获取答案解析）
D
——Do you know how her grandpa passed_____?
——He died _____ illness.
A：off, from
B：out, from
C：away, for
D：away, of
表示焦点在x轴上的椭圆，则
满足的条件是（ ）