Multiple choice

Chameleons have a great ability to ____________ their colour to their natural surroundings.

  1. adapt

  2. adaptabilty

  3. adaptable

  4. adaptation

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The phrase "ability to" must be followed by a verb in its base form. "Adapt" is the verb form, meaning to adjust or change to suit conditions. The other options are nouns or adjectives and do not fit grammatically.