So sudden _____ that the enemy had no time to escape.
#83819
A
did the attack
B
the attack did
C
was the attack
D
the attack was
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_________ the floor, I found his pen lying on the ground. 
#82531
A
While sweeping
B
While swept
C
If sweeping
D
If swept
Only after reaching eighteen       join the army.
#84047
A
have you; you can
B
have you; can you
C
you have; you can
D
you have; can you