We_____ the old scientist________ his contribution________ the country.

mpany used 50 percent of the raw materials, therest of which __________ sent to other cities to help the factories there.

It was too hard for the firefighters to get close to the burning building．All their attempts to rescue the people trapped were

ys, Chinese consumers are increasingly aware oftheir rights. , safety and qualityissues remain top concerns.

Sometimes we are asked _____ the likely result of an action will be.