i often feel my heart ___(beat) very fast after runningi often feel my heart ___ very fast after runningA.beat B.beating

问题描述:

i often feel my heart ___(beat) very fast after running
i often feel my heart ___ very fast after running
A.beat B.beating

B
beating
我觉得跑步之后心跳很快
是正在发生的动作
所以beat 要加ing