Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

During our eco-tour to the national park, we were amazed to see so many ______________ species in the forest.

Đáp án
B. endangered

Câu hỏi thuộc Bài tập:

Ôn thi vào lớp 10 - Đề 6