(Q).
James picked glass walls because they let more light into the room. Why did they let light in? - inventive - half empty - recyclable - clear - very fragile  The best answer is
(A).
clear


(Q).
What can you use hear other people and be heard yourself? - mouth - song - radio - ears - telephone  The best answer is
(A).
telephone


(Q).
People using a machine gun are a part of what? - quake 2 - arsenal - in a - armory - military service  The best answer is
(A).
military service