Ⅰ.重点单词 1．burst vi.爆裂；爆发　n．突然破裂；爆发 burst into ________________________突然哭起来/笑起来 burst out_________________________突然哭起来/笑起来 2．ruin n．废墟；毁灭　vt.毁灭；使破产 ____________________ruin毁灭；落空 ____________ruins严重破坏；破败不堪 bring sth. to ruin使毁灭，使落空 fall ______________ ruin成为废墟

tears/laughter　

crying/laughing　

come/go to　

in　

into