Kitty's grandfather stayed in hospital (for half a year)对打括号部分提问
问题描述：
Kitty's grandfather stayed in hospital (for half a year)对打括号部分提问
答
How long did Kitty's grandfather stay in hospital?
答
括号内为时间，应用how long进行提问
答
how long did Kitty's grandfather stay in hospital?
答
how long did Kitty's grandfather stay in hospital ？
kitty的祖父在医院住了多久？
答
How long did Kitty's grandfather stay in hospital
答
How long did Kitty's grandfather stay in hospital ？
kitty的祖父在医院住了多久