hello:first words used when you meet sb.
president:head of the USA or some other countries
sick:ill,not fell well
2,改错.
(1) 把walks后面的to去掉,因为home是副词.
(2) put on改为wear,因为put on是强调穿衣服的动作,很短暂,wear表示一直穿一件衣服.
(3)stay改为live
(4)borrow改为keep,一般借书,都是用keep的,borrow第二题的put on有点像,都表示的是一个动作.而不是一种状态.
3.
When will you take the train to Beijing tonight?