当我上台领奖时，我能感觉到自己的心在怦怦直跳。

I could feel my heart ___pounding as I went on stage to receive the prize.

战争期间，这座城市被炸成了废墟。

The city was ___pounded to rubble during the war.

他砰砰地敲门，要求让他进去。

He ___pounded on the door demanding to be let in.