I was really too busy with my homework and I couldn't help ____________ housework.
#94991
A
doing
B
do
C
did
D
done
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Please arrange ___ first, and then let him have a good rest.
#93397
A
him a room
B
a room for him
C
him of a room
D
a room with him
To succeed in doing an experiment,________.
#94929
A
carefulness is needed
B
carefulness is one needs
C
one needs to be careful
D
one need be careful