What is that we have in December but we don't have in other month?

( )we have heard is different from( ).A.That ,we see B.what; what we see C.that;what we have seen;D.what; we have seen答案选什么而我想添what;what we have seen对吗 What is that we have in December but we don't have in other month? all that we have is what we have done for others. All that we have to do is to practise everyday.能否将that改为what Our class teacher is pleased ___ we have done and ___ we have said.A with that;all thatB with what;thatC with what;allD what;all that What is it that we have in December but we don't have in any other month? what is that we have in december but we don't have in any other month?意思? Maybe it is true that we do not know what we have got until we lose it,but it is also true that we 谁能帮我翻译一下 Maybe it is ture ,that we do not know what we have got until we lost it it is true that we do not know what we have got until we lose itthat 可以省略吗? This is such a wonderful film( )we have never seenA.that D.as Cwhich D.what what is that we havein december but we don't have in any other mouth有谁知道谜底 we concluded that the evidence is the evidence and we have to say what it 啥意思T T This is what we have twit today. what is it thatwe have in December but that we do not have in any other month what is it that we have in December but that we don’t have in any other month?（答意思或答案都行） It is not until ___ the things ___ we used to have ___ we learn to cherishA do we lose;/;thatB we lose;that;thatC we do lose;what;whatD do we lose;what;that We believe ______ you have devoted yourself ______sure to come true.A. that; is B. all that; to be C. that all; are D. what; to is