She can't help _____ the house because she's busy making a cake.
#94713
A
to clean
B
cleaning
C
cleaned
D
being cleaned
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___________ was no doubt __________ someone had broken into the store the day before.
#93261
A
There; that
B
There; whether
C
It; that
D
It; whether
  He must have finished his homework for a long time, _____ he?
#93709
A
mustn’t
B
didn’t
C
needn’t
D
hasn’t
The students asked me ____________ going to be held.
#93237
A
when is the meeting
B
when the meeting was
C
if was the meeting
D
if the meeting is