阿摩線上測驗
17 When going through the security check, you need to put all carry-on luggage on the______ .
(A) contributor
(B) conveyor
(C) extractor
(D) exhibitor
答案：登入後查看
統計： A(14), B(138), C(37), D(19), E(0) #2294665
統計： A(14), B(138), C(37), D(19), E(0) #2294665
