Hurry up! The plane will ______.[ ]
A. take up
B. take away
C. take out
D. take off
答案:D
It was just a week ago________ an earthquake happened in Taiwan.
A.when
B.where
C.that
D./
With the development of science,a computer is to a manager_______a gun is to a soldier.
A.as
B.what
D.when