人教版（2019）必修第二册 Unit 4 History and traditions单词讲解学案.doc

Unit4 单词讲解 be in a puzzle = be at a loss There was a ____(puzzle) look on her face because a ____(puzzle) problem puzzled her. He was trying to puzzle ____ why he had been brought to the house. 2.break-broke-broken break one’s heart/leg break the speed limit/ one’s promise break the silence/ ice break/kick/quit the habit of doing sth break/burst/dissolve into tears/laughter A quarrel broke ____ between them because he told lies to her. If George keeps on working so hard, he’ll break _____ so