阿摩線上測驗
15. _____ might be necessary if a pet has become vicious, dangerous, or unmanageable.
(A) Euthanasia
(B) Vaccination
(C) Enthusiasm
(D) Compassion
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統計： A(10), B(4), C(1), D(2), E(0) #3578084
統計： A(10), B(4), C(1), D(2), E(0) #3578084
