阿摩線上測驗
6. Whales, dolphins, porpoises, seals, walruses, and many other marine animals are _______, not fish.
(A)bonus
(B)mammals
(C)advertisers
(D)flakes
答案：登入後查看
統計： A(0), B(4), C(0), D(0), E(0) #3853816
統計： A(0), B(4), C(0), D(0), E(0) #3853816
