生物免疫调节教学设计:Something unusual was ______(cover) during their exploration under the sea.

来源：百度文库 编辑：杭州交通信息网 时间：2024/05/05 20:02:42
横线上是不是填 discovered啊?

是

Right.
这是被动语态，谓语是：be+ done(过去分词）

是

dui

Something unusual was ______(cover) during their exploration under the sea. something 什么是WA？ help~unusual happenings unusual food in England 求沈恩珍的歌曲WA WA 下载地址 Something important ! SOMETHING INTRESTING... say something ABIT WA-2A