some animals like dinosaur and dodo birds have been extinct for thousands of years.
dinosaurs are no longer in existense, but are extinct.
a mamoth is extinct
the polar bear will be extinct soonDinosaurs that once roamed the earth are now extinct.
Why did the dinosaurs go extinct? Humans will never go extinct!
Dinosaurs are now extinct. There are many species of birds that are extinct.
what is a good sentence for the word opposite
A good sentence for the word baffled is:
the extinction of that particular animals began a milion years ago.
Any sentence that properly uses the word additionally is a good sentence. Additionally, the above is a great sentence.
Your question is a good sentence using the word "common".
"I am using a sentence with the word economics."
There is not just one good sentence for "there," there are many.