We can't waste food because many people in the world is still h________．
It is i________ of him to ask westerners about their personal information.
(2018河北73题)I stood ________ and gave my seat to him.
(2016河北76题) I got up e________ and called some of my closest friends.
(2015河北78题)I got very tired on the train and nearly fell a________ and missed my station!
(2014河北83题)We should always speak________ (polite)to our parents.
