根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式。
Improving people’s life is a matter of _____ (普遍的) interest.
Peter feels shy because he has _____ (撒谎) to the teacher.
The boy who won the drawing competition is the ______(骄傲) of his class.
Imagine saying a beautiful phrase with perfect _____(发音)to a lovely girl.