他没有谈论他的考试成绩，因为别人可能会认为他在吹嘘。

He didn't talk about his exam score because other people might think he was ___boasting.

父母喜欢夸耀他们孩子的成就。

Parents enjoy ___boasting about their children's achievements.

他们吹嘘自己从未输过一场比赛。

They ___boasted that they had never lost a single game.