阿摩線上測驗
122.
For many time-poor office workers, virtual meetings have become a convenient _____
to in-person conferences.
(A)alternative
(B)alternate
(C)alter
(D)altercation
答案：登入後查看
統計： A(125), B(36), C(17), D(56), E(0) #3084381
統計： A(125), B(36), C(17), D(56), E(0) #3084381
