Now most families have only one child _____ our country’s one-child policy.
-____you ever ____with a group?-Yes, I have .
How do you study for English ? I study by _____word cards .
Her father in 1990 and her husband for more than five years.
The boss in the factory often makes the workers _____ nine hours a day.
----Have you ever been to Beijing?----Yes. Last month I________ there.