we have achieved what our forefathers never even__

we have achieved what our forefathers never even__ ______ the cooperative spirit of our group,we have achieved We're all________of what we have achieved.The world sings hi we have achieved all that we expected.句子中为什么用that呢?可以用what不? 1.Today we're no longer doing farming _____ our forefathers We have achieved great progress.______,we are confident that we never have.we never They have _ (成功)achieved what they hoped for. I _ you _ what you have achieved. What we have lost will never be returned to us. What do we have in December that we never have in other mont WHAT DO WE HAVE IN OUR POCKETS怎么样