36. What is the best title for the passage?
(A) Why do cows love grass?
(B) Why do dogs eat grass?
(C) Why are wolves omnivorous?
(D) Why are canines carnivorous?
(E) Why do human beings eat celery?

答案:登入後查看
統計: A(2), B(82), C(2), D(2), E(2) #2277058