[ Grammar ]
The party isn’t a formal occasion. You ___ wear a suit.
A. needn’t
B. mustn’t
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Grammar › ViewWhich of the following best defines a gerund?
A. A verb acting as an adjective
B. A verb form that functions as a noun
C. A verb phrase that shows a completed action
D. A verb used in an interrogative sentence
Prepotitions › View
keen
A. in
B. on
C. to