____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：2024/10/04 03:53:33

x��)��T��ҢT��<=G=Ǵ��"��T��l��"��Ēb'�LFbY�Bqb�BJ~y��GbYf^:Є�<�� Lً�_�w=��dǮ�S��l�tTH�I*��\6��lQ�8=��YǄ�۟��~��~6}�e)pC�u��Xأ�b��KvA4<�?�Ɏ��ӷ<��}�}Ĉ�Z��~�ܪg�_\��g�65�

____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?