There is no light in the room. They must have gone to the lecture.__________?
#102690
A
didn’t they
B
haven’t they
C
don’t they
D
mustn’t they
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They are living with their parents for the moment because their own house _______.
#100101
A
is being rebuilt
B
has been rebuilt
C
is rebuilt
D
has rebuilt
 Everything he _____ to his country.
#103067
A
had was contributed
B
had been contributed
C
had to be contributed
D
had contributed