The economic stability of the island community relies ______ on maritime ecotourism revenue.

Answer and explanation

Correct answer: D. heavily

The verb 'relies' must be modified by an adverb of manner ('heavily'), not an adjective ('heavy').

Practise more Sentence Structure, Clause Types, and Error Identification.

Free questions with an explanation for every one, and full timed TOEFL ITP Indonesia mock tests.