He witnessed to ____ _____ the thief _____ money from the shop他作证见过这小偷从商店偷钱的事.为什么? having seen steal
人气：113 ℃ 时间：2020-05-09 20:37:47
解答
1.witness to doing sth:作证做过某事,此处说的是已经见过,是发生在作证之前的事,所以用witness to having done sth 2.而see sb doing sth表示看见某人正在做某事;see sb do sth看见某人做过某事,此处表"偷了",所以用steal.
