[ 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.
Select your answer:

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Grammar › View____ your parents buy a new house in the next two months?
A. Do
B. Are
C. Did
D. Will
Modal Verbs › View
You _____ exercise daily to stay fit.
A. should
B. must
C. can
D. might
