[ Passive Voice ]
Choose the correct form for Passive Voice
Someone is knocking at the door
A. The door was being knocked at.
B. The door are being knocked at.
C. The door is going to be knocked at.
D. The door is being knocked at.

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A. tells
B. tell
C. told
D. telling
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Select the correct modal verb: You ________ submit the report by Friday to meet the deadline.
A. could
B. might
C. must
D. should have