阿摩線上測驗
8. The convenience of signing into multiple services through a single account should not come ______ privacy.
(A) at the expense of
(B) in accordance with
(C) on behalf of
(D) in response to
答案：登入後查看
統計： A(2), B(0), C(1), D(0), E(0) #3944722
統計： A(2), B(0), C(1), D(0), E(0) #3944722
