[ Gerund and Infinitive ]
The Great Barrier Reef is one of the longest reefs in the world, ……………………. more than 2000 kilometres along the northeastern coast of Australia.
A. extending
B. to extend

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Modal Verbs & Reflexive PronounsPast Continuous TensePast Simple and Past ProgressiveGive, do and makePresent Continuous, Present Perfect and Used toIntermediate Prepositions-ed and -ing AdjectivesTemporal Conjunctions and ConnectivesAbilityGrammar: wishes and regretsOther quiz:
Grammar › ViewYou’d better ………… the tickets again, check your pockets
A. not to forget
B. not have forgotten
Tenses › View
The animals in captivity ____ artificial habitats daily.
A. experience
B. experienced
C. experiences
D. will experience