Last night the order came that all those infected with the deadly disease ________.
#87974
A
was separated
B
should separate
C
be separated
D
were separated
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I was too busy at that time, ________ I would have given you a hand.
#88975
A
even though
B
so
C
otherwise
D
nevertheless
If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _______ to the house next door.
#87868
A
could spread
B
should have spread
C
would spread
D
might have spread
—You didn’t invite Mary to the ball?—____ her, too? 
#89489
A
Must I invite
B
Should I have invited
C
Must I have invited
D
Should I invite