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共找到 1312 与been______ 相关的结果，耗时4 ms

马上采纳)怎么理解Since ancient times men have been wanted to know more about the moon.怎么理解"Since ancient times men have been wanted to know mo 英语

e about the mo

28.Great changes _ in the city,and a lot of factories _.A .have been taken place; have been set upB .have taken place; have been s 英语

t upC .have ta

The police found that the house had been broken into and a lot of things ____为什么是stolen 而不是 had been stolen如果一定要用had been stolen 有严格的语英语

错误吗?

you have helped make it possible for me to have ''lucky'',who has filled my life with pleasure.(have 在怎么在上句,不是be filled with 具体点）carry 英语

ng things have

关于英语语法中要不要加been的问题,以及should的问题一、Having（been）taughtthousandsofstudentssinceIbecameauniversityteacher,Merryimpressedmemost.这句话里,been要不要加英语

句话里,been要不要加进去

高一英语选择题需要理由It's said that one kind of time machine _____ by a sceientist ,with which man can travel wherever he would like. A.had 英语

een invented

英语句子问题dinasourshaveextincted.说应该extincted前加been或者把extincted改为diedout想知道为什么要加been,have后面加什么可以不用加been?还有点,恐龙不是在很久以前就灭绝了吗?为什么不把have改英语

had呢?

现在分词been有什么作用英语现在完成时和其他时态中,我不知道been有什么作用,是干什么用的,它是“是”的意思,为什么会出现在现在完成时中,而且句子翻译出来been好像没有用,我不知道它在英语

偶总高不清楚been是什么意思啊……1：Howhaveyoubeen?你最近好么?我知道这个是现在完成时,可是这里的Been翻译成什么意思?2：It'sbeenalongtime.好久不见这里不是现在完成时吧?没看到有have...这英语

..

一道英语选择题说原因就好·············.The country has already sent up three unmanned spacecraft,the most recent_____at the end of last March.A.ha 英语

been launched

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