Units（4-6）SBⅢ

摘要

知识与技能1.重点词组as soon as possible=as soon as one can/ could 尽可能早地;尽快keep doing sth. 一直做某事be free 有空,有时间go on holiday=go for a holiday 去度假take a holiday=have a holiday 休假be on holiday 在度假leave a message 留口信take a message 捎口信get a chance=have a chance 有机会take chance