I can feel my heart beating faster 为什么必须用beating 而不用 beat 急

I can feel my heart beating faster 为什么必须用beating 而不用 beat 急 I feel my heart ___fast now. A.beaten B.beating C.to beat请问选 she could feel her heart beating fast为什么不是beat或者to beat I could feel my heart beating violently （ ) I went on the st I can feel that your heart is beating with me.的中文是什么? If I feel my heart was beating loud If we could escape the c Being with you,what I feel is heart beating. Can you hear my heart beating,Can you hear the Listening to my heart beating. My beating heart belongs to my heart was beating quickly. be still my beating heart