As for _____homework, we do ________homework every day.
#49737
A
do , our
B
doing, our
C
does, we
D
doing, us
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So many kinds of sweets! I really can’t decide _______. 
#48578
A
what to buy
B
which to buy
C
to buy which
D
to buy what
There are some children _____ in the room.
#50736
A
singing
B
sing
C
are singing
D
to sing
---People are not allowed __________in the cinema. ---But they will allow ___________in the restroom.
#50271
A
to smoke; smoke
B
smoking; to smoke
C
to smoke; smoking
D
smoking; smoke