Correct sentence:
Sprinkler trucks spray water on parks and roads to keep the dust down.
Why this is better (step by step):
- Subject and verb: "Sprinkler trucks" is the subject (who does it). "Spray" is a clear action word (what they do).
- Clear object: Say "parks and roads" instead of "parks and wet roads." If trucks are spraying water, the roads will become wet, so "wet" is not needed.
- Use "the dust" to show the dust in that place (parks and roads).
Shorter correct option: Sprinkler trucks water parks and roads to keep the dust down.
Quick practice: Fix this sentence — The street cleaner wash the street to reduce dust.
Correct: The street cleaner washes the street to reduce dust.