________ the prices and functions of different types of computers before you make up your mind which to buy. 
#66005
A
To compare
B
Comparing
C
Compared
D
Compare
推荐题目
___these ancient buildings in this city are! 
#66274
A
What perfectly protected
B
How perfect protected
C
How perfectly protected
D
What perfect protected
______ what the six blind men said sounded!
#66055
A
How foolishly
B
How foolish
C
What foolishly
D
What foolish
Don’t throw litter around. Please__________.
#59452
A
pick it up
B
pick up it
C
pick up them
D
pick them up