Multiple choice

Directions: Fill in the blank by choosing the most appropriate option.

The decision to launch the new detergent has been postponed as it needs ______ testing to improve its operation.

  1. far more

  2. more further

  3. further

  4. furthest

  5. .
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The context refers to more testing in comparison to what has already been done. The comparative degree further indicates additional to what already exists or has already taken place, been done, or been accounted for. Thus, this is the correct answer.

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