“become extinct”可以造什么句，become extinct造句

People have proposed all sorts of hypotheses to explain why dinosaurs have become extinct.

What a pity that this kind of rare animal has become extinct.

Will the Chinese sturgeon become extinct?

It deserves careful reflection that, although Tibetan culture is developing continuously, the Dalai Lama clique is clamoring all over the world that " Tibetan culture has become extinct, " and, on this pretext, is whipping up anti-China opinions with the backing of international antagonist forces.

If we continue to destroy the countryside many more animals will become extinct.