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英语小题3道哦I learn that she____ Shanghai for several daysA.has g

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英语小题3道哦
I learn that she____ Shanghai for several days
A.has gone to B.has been away from
选什么,又为什么?
Although adult education in the United States began a century ago,
_______ cheif growth has taken place since the 1920's
A.its B.which
这不是定语从句吗?
---Hi,Bill,you look tired
---I am tired .I ____the living room all day
A.HAVE Been painting B.have painted
是不是两个都可以,还是哪个更准确呢,为什么?
B for several days说明需要一个持续性的动作,而has gone to是短暂性的,所以只能选B
不是,因为前半句有个although,是连词,说明前后是两个句子,而不是定语从句,即使是定语从句也应该用whose啊
A 它强调all day整天一直在做某个动作,要用正在进行时表示,have painted则是表示动作完成了