We work together to achieve our common purpose: __________ world that is safer, cleaner and healthier than __________ one we are living in.

The workers were made ______ all day and all night by bosses in the old days.

Only when the work is done ________ be able to go back home.

________ Christmas Day,we often eat a turkey.[ ]

Miss Fang is _________ English teacher. ___________ is a good teacher.