--- When did you buy this computer? It looks so new.--- I it for only a couple of days.My sister bought it for me as a birthday present.
The songs of SHE sound _______.Their CDs sell__________.
My father was reading a newspaper while my mother ______dinner.
--How many students are there in the classroom? --___________.
Sandy spent too much time _________ computer games.
Please _____ who broke the window.