用“become extinct”造句大全，become extinct造句

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

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

Will the Chinese sturgeon become extinct?

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