(年福州市高三适应性练习)29. China is struggling to deal with an aging population and the social problems that ______ it.
I took ___for granted that he would believe in us.
___used to be thought that the earth was square.
Does___matter whether he can finish the job on time?
Tom’s mother kept telling him that he should work harder, but ___didn’t help.
In fact, ___is a hard job for the police to keep order in an important football match.