Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Many people and organizations have been making every possible effort in order to save ________ species.
Answer the question before viewing the answer below
Correct answer: A
A. Có nguy cơ tuyệt chủng B. Nguy hiểm
C. Sợ hãi D. Đe dọa