阿摩線上測驗
39. Based on the passage, why do domesticated dog eat grass?
(A) Grass cures their diseases.
(B) Grass kills germs.
(C) Grass is easy to digest.
(D) Grass is palatable to them.
(E) Grass contains sufficient protein.
答案：登入後查看
統計： A(7), B(2), C(1), D(61), E(2) #2069478
統計： A(7), B(2), C(1), D(61), E(2) #2069478
