複選題

28. Barking is a normal behavior for dogs; however, when they bark _____, they become a nuisance to their owners and the neighborhood.
(A) quietly
(B) continuously
(C) underwater
(D) constantly
(E) upside-down

答案：登入後查看
統計： A(4), B(7), C(0), D(7), E(4) #3891957

詳解 (共 1 筆)

#7371400
答案：B、D   解析：句意是「吠叫是...
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私人筆記 (共 2 筆)

私人筆記#8084521
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語意：吠叫是狗的正常行為；然而，當牠們...
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私人筆記#8084065
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Barking is a normal...
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