2. For your own______, please don't open the door until the train fully stops.
(A) humanity
(B) safety
(C) liberty
(D) vanity

答案：登入後查看
統計： A(19), B(296), C(15), D(9), E(0) #682056

詳解 (共 2 筆)

#5673677
(A) humanity n.人類；人性...
(共 76 字，隱藏中）
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0
#1003019
(B)安全
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1