法律的权威源自什么？
参考答案：
法律的权威源自人民的内心拥护和真诚信仰
Tim's mum is worried _____ her son's eyes. [ ]
A. about
B. to
C. of
—Are you _ the dark?
—Oh, yes. I always go to sleep with the light on. [ ]
A. used to
B. afraid of
C. interested in
D. good with
