I have just/ already been to Ocean Park.我刚刚/已经去过海洋公园. ---Have you returned the book to the library yet?你已经把书还给图书馆了吗? ---Yes,I have just/already returned it.I returned it yesterday.是的我刚/已经还了.我昨天的. Our stock of coal has not renewed yet.我们的煤炭储存量还没有补充过.The pupils have not yet learned to punctuate correctly.小学生尚未学会正确使用标点符号. 再问： 被动语态 的句子5个
