We must stop the children from_____ with fire.
#49583
A
play
B
to play
C
playing
D
are playing
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There are so many kinds of MP3 in the shop. We can’t decide  ______.
#49042
A
what to buy
B
to buy what
C
which to buy
D
to buy which
They decided           at the end of this month.
#49560
A
to leave
B
going back
C
travel
D
not start out.