Topics: Modals of Obligation & Prohibition
We _____ forget to lock the door before leaving.
A. don’t have to
B. musn’t
Select your answer:

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Grammar › View____ Linda came home, the electricity went off.
A. While
B. When
Grammar › View
Anna: Were you listening to music at that time?
Lisa: _____
A. Yes, I was.
B. I was listening to music in the room.
C. I listen to music at ten every night.
D. I don’t like music at all.
