One of the most important questions they had to consider was _____ of public health. 

The cruelty of the Germans towards the Jews and   of the Japanese towards their prisoners, filled      with horror.

Tom’s mother kept telling him that he should work harder, but ＿＿＿didn’t help. 

 ---Is your school life like ______ of other teens? ---In many ways, yes. 

 —Why do you like Zhou Libo’s talk show?— Because I can find______________.