精选优质文档-倾情为你奉上选修9 Units1-5全册知识点汇总（新人教版）词汇精讲Unit11. while这个词引导状语从句，但在不同的句中有不同的含义。可以和括号里的词替换。We must strike while the iron is hot. （as）While we dont agree, we continue to be friends. (although)While I admit his good points, I can see his bad. (although)Some people waste while others havent enough. (but)While their country has plenty of oil, ours has none. (but)2. covervt 在不同的句中有不同的含义1. Cover the table with a cloth. (place sth over or in front of)
