Dinosaurs often fought each other.We know that because____.

we know each other Know that we'll still have each other we often t______to each other. We know ideas each other we h( ) know each other We often s_____many things with each other we often play with each other We often write to each other. We often () letters to each other. We each know what the other thinks we did not know each other before that means we know each other?的中文意思是什么啊...