阿摩線上測驗
33. In 2nd paragraph, line 5, what does “They” refer to?
(A) patients
(B) repertoires
(C) communities
(D) professionals
答案：登入後查看
統計： A(18), B(174), C(144), D(13), E(0) #1816211
統計： A(18), B(174), C(144), D(13), E(0) #1816211
