单项选择题
The health seeking youths can following the（）of natural living.
A.principles B.principals C.principality D.prince
单项选择题 Do not express shock for what you hear（） matter how shocking it might seem.
单项选择题 Food alone is not the（）of energy.
单项选择题 My brother is four years older than me and someone I look（）to, even though he is shorter than me
