[ Grammar ]
It’s your __________ report any suspicious activities to the authorities.
A. make a profit
B. encourage
C. duty to
D. recommend
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Modal PossibilitiesGrammar - to beAdverb Clause ConnectorSimple TenseGrammar & VocabContrastive ConjunctionPossessive NounsCorrelative conjunctionsAdverbial Clause / If / ComparativesPresent Perfect Negative and InterrogativeOther quiz:
Grammar › ViewA word that substitutes a noun or a noun phrase.
A. Adverb
B. Adjective
C. Interjection
D. Pronoun
E. Noun
Vocabulary and Grammar › View
It’s very hard to prevent the illegal downloading of _________.
A. files
B. property
C. litter