mary ____a book last year,but i do not know whether she has finished it

来源:百度知道 编辑:UC知道 时间:2024/05/10 12:30:07
has written
was writing
wrote
had written

was writing

应该是was writing吧
动作在持续,还没有完成.
个人见解,错的话别笑话

was writing 过去进行时,表示当时正在进行的动作。

was writing

was writing
当时正在写,不知道现在写完了没有