[ Modal Verbs ]
Passengers _______ smoke until the signs have been switched off.
A. mustn’t
B. can’t
C. needn’t
D. mightn’t
Select your answer:
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The chairman, along with his two assistants, ____________ to attend the annual convention.
A. PLAN
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A. Baker
B. Butcher
C. Chemist
D. Pumber