He is _____ the woods. [ ]
A. on
B. at
C. in
答案：C
突发公共卫生事件严重危害
A．公众权益
B．社会公众利益
C．经济秩序
D．社会秩序
E．社会公众健康
This dictionary is Alan's, but where is _____ ?[ ]
A. I
B. me
C. my
D. mine
