Đề thi giữa kì 1 Tiếng Anh 11 Thí điểm (có đáp án - Đề 2)

Species become extinct or endangered for __ number of reasons

13/40

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

Species become extinct or endangered for _______ number of reasons, but the primary cause is the destruction of habitat by human activities.

a

the

an

Giải thích

Đáp án B