Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.
#16314
A
it, it
B
what, what
C
it, what
D
what, it
推荐题目
Looks are not ______. It’s what’s inside you that really matters.
#14947
A
anything
B
something
C
everything
D
nothing
 ______ the bikes are too old to ride. I’ll have got to get them ______.
#15057
A
Both; repaired
B
Neither; repaired
C
Either; to repaired
D
All; to repair