In the picture可以说明这已经完成.
been是现在完成时行式.have been意为已经.懂了吗.
In the picture,all the trees have been cut down.句子中为什么加been
In the picture,all the trees have been cut down.句子中为什么加been
英语人气:779 ℃时间:2019-11-14 06:34:53
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