阿摩線上測驗
29. Please use the ______ on the right if you are going up.
(A) extinguisher
(B) procedure
(C) escalator
(D) platform
答案：登入後查看
統計： A(2), B(2), C(31), D(6), E(0) #3492437
統計： A(2), B(2), C(31), D(6), E(0) #3492437
