Our talk with the government ______ the serious matter of robbery with violence.

My father told me that he had＿＿＿ hard life in his childhood. 

My teacher's rich knowledge of science ______ my decision ______ study science.

With so much noise outside, the students can’t _____ their homework.

“______something valuable and throw the rest away,”the mother asked her children when they were cleaning the old house.