阿摩線上測驗
8. Aggressive behavior seems to be_________in dogs when they are in pack.
(A)internal
(B) interesting
(C)interior
(D) intrinsic
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統計： A(4), B(6), C(10), D(22), E(0) #1184313
統計： A(4), B(6), C(10), D(22), E(0) #1184313
