[ Modal ]
Which sign are you more likely to see at an airport: Bags ________not be left unattended.
A. can
B. must
C. may
D. would
Select your answer:

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Quantifiers, Countable and Uncountable Nouns › ViewMy room doesn’t get much _________.
A. light
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I am very much interested in learning more about ecotourism and its benefits.
A. problems
B. advantages
C. dangers
D. issues
