必背单词1. Africa 非洲 African非洲人North Africa 北非East Africa 东非West Africa 西非 2.each pron. 各个；每个each of.每个人必背短语3a list of.一张的列表/清单 必背句子4People speak English as their first language in many countries.在很多国家人们把英语作为第一语言。
