Multiple choice

Directions: Fill in the blank with the correct adjective.

They made an exciting _________ discovery.

  1. old

  2. young

  3. unique

  4. new

  5. .

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

 New indicates something that is appearing for the first time. The word 'discovery' means soemthing new or novel that has been unseen till now. Thus, the two words connect meaningfully.