阿摩線上測驗
42. A: I’m thinking keeping a dog. B: Well, ______. Keeping a pet is not easy.
(A) you think twice before you get a pet
(B) you’d better keep a cat rather than a dog
(C) you shouldn’t give up so soon
(D) thanks for your advice
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統計： A(1632), B(75), C(161), D(48), E(0) #2136562
統計： A(1632), B(75), C(161), D(48), E(0) #2136562
