found it与found that有什么区别?

found it与found that有什么区别? we found that和 we found it 什么时候是I found it 什么时候是I found that That dog which I found in the street belongs to Mary中found与in之间是否有that found he found to learn to adapt to the new environmentA.importantB.it importantC.that to be importantD.that important空格在fOund与t0之间 He found the English -Chinese dictionary was very useful为什么found后面用that 而不用it ,that it引导的句子有什么区别?He found that English -Chinese dictionary was very useful.为什么found后面用that 而不用it ,that it引导的 I found ( ) difficult to make everyone pleased with me A.that B.it C.that be D.it's顺便再问一下it‘s+adj+to do 与find it+adj+to do 有什么区别? He found it easy _____(find)that set of keys. I found that it was easy to heip others. I just found that it is a.or ad.only. i found it extremely funny that(后面填什么i found it extremely funny that后面填什么 I have found it worth living 和 i found it worth living 有什么区别. she found her husband waiting for her 与she found that her husband was waiting They found very interesting to remember words.A.it B.this C.that D.themfound后有一格, it is reported that some wild animals were found （ hidden found） in a big cave 为什么不能是 to hidden found 或 to hide from They found ____very difficult____English well.A.it,learnB.it,to learnC.that,learnD.that,to learn We found that it was very useful to learn English well.同义We found ___to learn English well.