she was late yesterday because she was ill 改同义句,前四个单词一样,后两个单词her illness 中间两空
问题描述：
she was late yesterday because she was ill 改同义句,前四个单词一样,后两个单词her illness 中间两空
答
正确：because of (because+原因状语从句；because of +名词/代词）.