Multiple choice

Directions: Fill in the blank with the appropriate option.

I need to find some kind of chemical that will ....... the weeds in the garden.

  1. keep off

  2. keep out

  3. keep down

  4. keep on
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sentence requires a phrasal verb meaning to control or suppress weeds. 'Keep down' is correct because it means to suppress, control, or prevent something from growing or spreading. 'Keep off' means to stay away from, 'keep out' means to prevent entry, and 'keep on' means to continue - none of these fit the context of weed control.

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