A new iPad in the market costs about ______ of a second-hand one.
Jumping out of ______ airplane at ten thousand feet is quite _____ exciting experience.
It is on 1st Sept. ________ students go back to school every year.
-Congratulations to you! I hear you got the first in the English Speech Competition. -__________.
-------Do you enjoy your present job?------- ________. I just do it for a living.
Our food ________ .So we’d better go home to fetch some.