17. Many species of animals are threatened, and could easily become ___________.
A. disappeared B. vanished C. empty D. extinct
17. Many species of animals are threatened, and could easily become ___________.
A. disappeared B. vanished C. empty D. extinct
Câu hỏi mới
1 bình luận về “17. Many species of animals are threatened, and could easily become ___________. A. disappeared B. vanished C. empty D. ex”