14.you have seen jane in her office last friday; she's been out of town ofr two weeks.a:couldn'tb:mustn't c:wouldn't d:shouldn't

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14.youhaveseenjaneinherofficelastfriday;she''sbeenoutoftownofrtwoweeks.a:couldn''tb:mustn''tc:wouldn''td

14.you have seen jane in her office last friday; she's been out of town ofr two weeks.a:couldn'tb:mustn't c:wouldn't d:shouldn't
14.you have seen jane in her office last friday; she's been out of town ofr two weeks.a:couldn't
b:mustn't c:wouldn't d:shouldn't

14.you have seen jane in her office last friday; she's been out of town ofr two weeks.a:couldn'tb:mustn't c:wouldn't d:shouldn't
a:couldn't 对.
You ______ have seen jane in her office last friday; she's been out of town for two weeks.
根据句子的意思Jane以前离开这个城镇两个星期了.
昨晚是不可能在her office的.
couldn't have done 表达的正是这个意思.

have you seen anything Have you seen John? “Have You Ever Seen Me? Have you ever seen snow? Since I have seen you Where have you seen them? have you seen的意思 Have You Seen Her 歌词 have not seen you ages what emergencies you have seen I HAVE NOT SEEN YOU , you have seen me for many have you ever seen the rain中文歌词 maybe some of you have seen have you seen my food?什么时态 Have You Seen Me Lately?歌词 Have You Seen Her Lately?歌词 Have you seen such a film!