As you walk ______ (穿过) a door, look to see if you can hold it open for someone else.
Our teacher is careful. Spelling mistakes are ______ (圈出) in red for us.
—I ________ (失败) to pass the English test yesterday.
—Try harder and you will make it next time.
Our country encourages the _________ (发展) of small businesses.
Come and help ________ (自己) to some chicken, boys!
He sat down and eat ________ (安静).
