A.As these language become more powerful. their use as tools of business and culture increase.
B.For the rest of us, when a language dies, we lose the possibility of a unique way of seeing and describing the world.
C.These language don’t have many native speakers.
D.However,he was a frequent visitor to the Catawba reservation in South Carcinoma where he learned the language.
E.Papua New Guinea is an extremely rich source of different languages,but more than 100 of them are in er of extinction(灭绝).
F.Some people might want to try to learn some of these songs by heart.