The duck didn't even quack before it submerged and disappeared.
I am certain that I heard your distinct quack.
Sure! The duck let out a loud quack as it waddled across the pond.
This example sentence uses the word 'sentence' in an exemplary fashion.
This is a quiet zone.
There are cautions that she uses when she crosses the streets.
I gave a quick answer, then left.
She discovered that the man was a quack.
Animals and insects are part of the ecosystem. This is an example of a sentence that uses the word "ecosystem."
I shot a taco with meat.
There is no oligarchy in the modern world. This is the sentence that uses the word oligarchy.
Here is an example of a sentence that uses the word gadget in a sentence: The gadget the inventor had created began to spin around on the table and knock over the cups that had been set out.
Someone uses the word 'term' in a sentence as a synonym for word. For example, Shogun is a term for a military commander of Japan.