----_______ are stamps used _______?  ----Sending letters.
#39954
A
Why, for
B
What, for
C
What, /
D
How, for
推荐题目
  _______carefully you write, _______ mistakes you’ll make.
#43388
A
The more, the fewer
B
The less, the fewer
C
The less, the more
D
The more, the less
Uncle John promised to buy me ______ MP4 as my birthday present.
#36300
A
a     
B
the     
C
/    
D
an
— What do you think of your trip to Great Britain?  — Wonderful! And the best part was visiting    . 
#40503
A
Mount Fuji
B
the Statue of Liberty
C
the Tower Bridge
D
the Little Mermaid