mary ____a book last year,but i do not know whether she has finished ithas writtenwas writingwrotehad written

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 01:21:51
mary____abooklastyear,butidonotknowwhethershehasfinishedithaswrittenwaswritingwrotehadwrittenmary___

mary ____a book last year,but i do not know whether she has finished ithas writtenwas writingwrotehad written
mary ____a book last year,but i do not know whether she has finished it
has written
was writing
wrote
had written

mary ____a book last year,but i do not know whether she has finished ithas writtenwas writingwrotehad written
was writing

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
当时正在写,不知道现在写完了没有

was writing 过去进行时,表示当时正在进行的动作。