be ashamed to后加do 还是doing

1.为做……而感到羞耻 focus on 集中（注意、关心）于…… be ashamed to do为做……而感到羞耻keep a promise 遵守诺言 http://study.feloo.com/gaokao_news.do?infoID=15494 - 基于9个网页 2.对于...感到可耻 be a...