we know that we all （learn） our own language well when we were children.这是什么时态?答案是learn,但是后面不是说when we were children了吗?不是过去式吗?为什么?还有就是这句话如何翻译?（不要翻译器的答案.

We all know that W___comes after Tuesday we all know that A______speak english as we all know . As we all know we should study hard._______ _______ _______ that we should study hard. We all know that one hundred years is a c________ We all know that Mickey is a popular cartoon c____. we all know that the earth t__ around the sun. we all know that the earth moves-----the sun 介词 we all know the f_ that she is a blind we all know that colour can a____ our moods. we all know that spring comes b___ summer. We all know that English____(speak)in many country. we all know that a------- speak louder than words We all know that ----(act) speak louder than words. We all know that china has a long h（ ）We all know that china has a long h（) as we all know是什么意思 翻译: We all know that we cry because of sorrow,but we also weep because of being moved. As we all know,we are what we eat?