Unit 8 Culture Shapes Us单元词句梳理Lesson 48必背单词 1.chalk n.粉笔2.officer n.政府官员_警察，警官3.gun n.枪police officer 必背短语 4._为做好准备5._把某物递给某人6._改变主意be ready forpass sth.to sb.change ones mind必背句子 7.I dont know _ well _ _ them.我不知道我们如何处理它们。8._ _ _ _ laugh when I read your e-mail.当我读你的电子邮件的时候，我忍不住大笑。what do with I couldnt help but
