补全对话 A. Where do they live? B. there are lots of them. C. why are they endangered? D. We're trying to save them. E. the number is reducing. F. there aren't enough trees for all of them to live among. G. What is it? A: Can you tell me something about the southern Chinese tigers? B: Sure, (1)__________ A: Why? Are they endangered? B: Yes. There used to be a lot of southern Chinese tigers, but now (2)__________ Since then the government has done something to protect them. A: (3)__________ B: Their favorite habitat is the mountains full of trees. A: And (4)__________ B: Many of the trees have been cut down, so (5)__________ A: I see, thank you.