Multiple choice

Directions: Fill in the blanks.

In order to survive the challenges they found in ______ environments, human ancestors had to be ______ changing circumstances.

  1. dynamic, adaptable to

  2. hospitable, impervious to

  3. improving, resistant to

  4. stagnant, untroubled by

  5. dangerous, cynical about
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

"Improving" and "hospitable" do not fit with 'challenges' here. So, 2 and 3 are eliminated. Only 'adaptable to' fits with 'changing circumstances' in the 2nd blank. So, option 1 is the correct answer. Moreover, 'dynamic' means characterized by constant change, activity or progress. So, it fits the best with 'changing circumstances'.

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