a long time _______they separated,but it won’t be long ____ they meet again

The population of China is ______ than______ of Japan .

Hurry up！Mark and Carol ________ us(2013·北京，28)

________ by adjustments to financial systems and safety nets, some of those reforms fail to ensure that the poor are not harmed.

I want to go to John’s concert.—Then you need to work hard to _____ somemoney.