1、I used to have a walk after supper .其中 have a walk画横线.问题划线

1、I used to have a walk after supper .其中 have a walk画横线.问题划线提问.
2、He has never been to Beijing ＿ 反意疑问句是什么?
3、Tom has been to Hongkong twice.其中twice画横线.问题划线提问.