It's been very informative
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It''sbeenveryinformativeIt''sbeenveryinformativeIt''sbeenveryinformative非常有教育意义.（特指）它是非常有用的消息！It''s=Itis
It's been very informative
It's been very informative
It's been very informative
非常有教育意义.
（特指）它是非常有用的消息！
It's= It is It 特指上文的某个东西
从been看来应该是已经变成了
informative 有益的， 情报的，告知性的
整句应该理解为：
它变的非常具有情报的
所以译文应该就是： 它的内容变的更加具有充实
以上纯属个人意见
It's been very informative
It's been very hot and humid till yesterday but it's raining at the moment
It's been awhile.
it's been coverd..
此句中been是什么意思,省去意思有什么不同?Thanks for your help; it's been very valuable
It's very kind____you.
It's very funny
It's very nice!
It's very ( obey)
It’s very delicious.
It's very heary.
but it's very
It's been a while
It's been so long
It's been a long
it's been a long
It's has been accepted
it's been是什么时态,