I fly,but I have no wings.I cry,but I have no eyes.是什么谜底呀

I fly,but I have no wings.I cry,but I have no eyes.是什么谜底呀 I fly,yet I have no wings.I cry,yet I have no eyes.Darkness i can fly but i don't have wings,i can cry but i don't have I have no trace of wings in the air,but I am glad I have had I leave no trace of wings in the air,but I am glad I have ha when i hear that my heart break.I want to cry but i have no I have no foot ,but I can run. I have no leg ,but I can jump I want to cry ,but have no tear and no word to everyone I have no choice but ___ (wait). I have no foot.but Ican walk 下面的三个谜语的谜底是什么?I have no brother or sister ,but my parents ha I have no legs,but I can walk.What am