Grandpa looks pretty healthy because he exercises in the morning.(对划线部分提问）划线部分：because he exercises in the morning___ ___ grandpa ___ pretty healthy?
问题描述：
Grandpa looks pretty healthy because he exercises in the morning.(对划线部分提问）
划线部分：because he exercises in the morning
___ ___ grandpa ___ pretty healthy?
答
一般疑问句: Is grandpa pretty healthy because he exercises every day? 否定句：Grandpa is not pretty healthy because he exercises every day. 至于肯定否定回答，不清楚你是问对疑问句的回答吗？ 这类问
答
Why does look