Answer:
I fill a room but take no space. What am I?
I am what one cannot keep, two cannot hold, and three cannot destroy. What am I?
I am the only word that looks the same when spelled upside down.
The more you take away from me the bigger I shall get.
I am a red drum which sound without being touched and grow silent when I am touched.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.