2020年上海市高三英语复习知识点1. be able to do能够做After paying great efforts, he is able to speak English fluently.2. be about to do正要做As I was about to say, you interrupted me.3. add to把加If you add 5 to 5, you get ten.If the tea is too strong, add some hot water.This adds to our difficulties.4. be afraid of 害怕I was afraid of hurting her feelings.5. go against反对We dont agree with the proposal, because it goes against the law.
