Unit 6 When was it invented？一．重点短语1.by accident偶然;意外地     2.divide into把…分成…3.take place发生     happen发生（没有被动形式）4.all of a sudden=suddenly 突然;...

反义疑问句归纳整理一、反意疑问句中问句部分的动词与陈述部分的动词在语气上成相反的对应关系;即： 肯定+否定 否定+肯定 如：①You can’t do it; can you ②They are very late for the meeti...

 

 

 

Sure! Here are 10 English words that express cold, along with example sentences:1. Chilly: The breeze outside was chilly, so I put on a warm jacket.2. Frigid: The water in the lake...