—George, ___   _ you sing so loudly at such a late hour? —I am terribly sorry.
#87932
A
will
B
may
C
must
D
shall
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The light is still on. They ___ to turn it off when they left the room.
#87772
A
must forget
B
could have forgotten
C
may forget
D
must have forgotten
I apologize if I _______ you, but I assure you that it was unintentional.
#86712
A
should offend
B
were to offend
C
had offended
D
offended
If you want to borrow a football after school, your student ____ here.
#88148
A
has to leave
B
mustleave
C
has to be left
D
mustbe left
If human beings had been a bit less greedy and cruel, more birds and animals _____dying out.
#89442
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided