10.The city zoo has done a very good job protecting and breeding many _____ species from around the world.
(A) abnormal
(B) endangered
(C) outdated
(D) undercover

答案：登入後查看
統計： A(31), B(301), C(5), D(7), E(0) #419181

詳解 (共 2 筆)

#631524

abnormal 反常的 

endager    危及

outdate    過時

undercover 暗中進行

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#626856
undercover

暗中進行的; 從事祕密(或間諜)工作的

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