[ Grammar - may/might/could ]
Ann _____ be in her office right now. All the lights are off.
A. mustn’t
B. can’t
C. needn’t
D. doesn’t have to
Select your answer:

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Grammar › ViewLast night I______to bed late, so today I______very sleepy.
A. went / felt
B. went / feel
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This happens when cold and warm air make electricity.
A. lightning
B. sunsets
C. northern lights
D. constellations
