28.Beware of strangers at the airport and do not leave your luggage __________.
(A) unanswered
(B) uninterested
(C) unimportant
(D) unattended

答案：登入後查看
統計： A(4), B(2), C(1), D(46), E(0) #667103

詳解 (共 1 筆)

#3782754
D無人值守
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