Everyone knows that________ is dangerous to play with fire, but________ is difficult is to prevent children from playing with fire.
#15306
A
it; it
B
what; what
C
what; it
D
it; what
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I’m hungry. Would you please give me ______to eat 
#56914
A
delicious something
B
something delicious
C
anything delicious
D
nothing delicious
------ Is _______ here ? -------No, Bob is not here. 
#57041
A
everyone
B
anyone
C
someone
D
nobody