Multiple choice

Directions: Look at the italic part of the sentence. Three possible substitutions (1), (2) and (3) for the italic part are given. If one of them is better than the italic part, mark it as the answer. If any of the substitution doesn't improve the sentence, mark (4).

It is natural to be enthusiastic about the infinite variety of organic life found in the tropical seas.

  1. enthusiastic with

  2. enthusiastic on

  3. enthusiastic from

  4. no improvement needed
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The preposition about is correct with the adjective enthusiastic. We say enthusiastic about something, not enthusiastic with/on/from. The original sentence is grammatically correct and requires no improvement.

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