吃透英语课本，提升在校竞争力
phrase. 应该
You really ought to quit smoking.
你真的应该把烟戒了。
What sort of crimes ought the police to concentrate on?
警方应当集中打击哪一类罪案？
The company ought to be making changes in its marketing strategy.
公司应该在营销策略上作出改变了。
You were out enjoying yourself when you ought to have been studying.
应该学习的时候你却在外面玩。
