When you talk about a person's _____, you are referring to the country, race, or social class of their parents or ancestors.
With a large amount of work ______, the chief manager couldn’t spare time for a holiday.
How much more expensive do you think a flat in a downtown area is than ______ in a suburban area?
is widely acknowledged thatthere is life, there is hope.
"Those responsible for the accidentbe punished while those contributing to solving the problems be rewarded," promised the official then and there.
China's agriculture has been developing steadily, thus _ light industry with ample raw materials.