用括号中所给动词的正确形式填空，使短文完整。
No one knows how man learned to make words. Maybe he began by___(make) sounds .As time went by ,he made more and more sounds and more and more words. This is what we call languages.
Even some animals also __ (have) their languages. When some food ___(find),a bee goes back to its home. It wants _____(tell) the other bees where the food is. But it can’t speak, so it____(do) a little dance in the air. In this way it tells the other bees where the food is.