____the lecture began.A.After we took our seats B.After we have sat down C.Having been seated D.Having sat down解释下为啥选A b

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 16:48:49
____the lecture began.A.After we took our seats B.After we have sat down C.Having been seated D.Having sat down解释下为啥选A b

____the lecture began.A.After we took our seats B.After we have sat down C.Having been seated D.Having sat down解释下为啥选A b
____the lecture began.
A.After we took our seats B.After we have sat down C.Having been seated D.Having sat down
解释下为啥选A b

____the lecture began.A.After we took our seats B.After we have sat down C.Having been seated D.Having sat down解释下为啥选A b
B改成过去完成时After we had sat down才行,表示过去某一时间前已完成的事情.

lecture lecture lecture是什么意思 lecture是什么意思 lecture seule lecture是什么意思 lecture是什么意思 lecture是什么意思 lou bega - angelina歌词中文意思求大神帮助 ____the lecture began.A.After we took our seats B.After we have sat down C.Having been seated D.Having sat down解释下为啥选A b attend a lecture 托福lecture背景知识 march into the lecture 怎么准备mini-lecture A ttending a lecture THE LAST LECTURE怎么样 plenary lecture是什么意思 英文“lecture”是什么意思?