中华人民共和国的国家机构实行( )原则。
A．首长负责制
B．少数服从多数
C．民主集中制
D．议行合一
参考答案：C
— Oh, dear. We have _____ food left. What should we do?
— Don't worry. I'll go and buy some. [ ]
A. a few
B. a little
C. few
D. little
