问题描述： opened,open,close, 1个回答 分类：英语 2014-09-20 问题解答： 我来补答 open和close是动词,如：Open the window,please./ Close the door,please.opened 是open的被动语态,如：The window is opened.closed 一般做close的被动语态,如：The door is closed. 展开全文阅读
