精选优质文档-倾情为你奉上高中选修7第三单元词组和重点句子1.in groups一群群2.sort out分类，处理，整理3.help。 out帮助摆脱困境4.hold up举起.延误 hold off推迟5.upside down上下翻转，乱七八糟6.on their annual migration 在它们每年的迁移中7.hear of 听说 8.hear from sb. 收到。来信9.an enormous animal opposite us 我对面的一个大动物10.a pack of一群 11.bring in引进，赚钱，捕获12.be terrified of 害怕 13.abandon sb. 抛弃14.an abandoned baby.弃婴/abandon oneself to sth.沉溺于。15.have a good relationship with sb.与。关系好16.reflect on 考虑17.it is the most fantastic thing
