Answer:
I am a room that has a roof but no walls. What am I?
You can see it everyday, but cannot touch it at will. What is it?
Break me and I am better, immediately set and harder to be broken again. What am I?
you cannot keep me until you have given me
Tuesday, Sam and Peter went to a restaurant. After eating lunch, they paid the bill. Sam and Peter did not pay. Who did?
What is lighter than what it is made of?