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  • Directions: Fill in the blank with the appropriate option...
Multiple choice

Directions: Fill in the blank with the appropriate option.

Man must ________ now to stop pollution.

  1. perform

  2. act

  3. operate

  4. understand

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

The verb 'act' is the most appropriate choice to mean taking action or doing something to address a problem like pollution. 'Perform' or 'operate' are not suitable in this context.

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