______of them knew about the plan because it was kept a secret.
#15391
A
Each
B
Any
C
No one
D
None
推荐题目
  -- _____is that used for?---_____ the floor.
#16278
A
Why; To cleaning
B
What; Cleaning
C
Why; To clean
D
What; clean
Here are two pairs of shoes, ______ you may choose. 
#15995
A
both of them
B
either of them
C
any of which    
D
either of which
Both teams were in hard training, ____was willing to lose the game.
#16711
A
either
B
neither
C
another
D
the other