問題詳情
47. More and more people in developing countries are able to buy ivory because ______.
(A) ivory has become cheaper
(B) more and more ivory is available
(C) now ivory can be produced in a lab
(D) they have more economic power
(A) ivory has become cheaper
(B) more and more ivory is available
(C) now ivory can be produced in a lab
(D) they have more economic power
參考答案
無參考答案
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