阿摩線上測驗
11 Three innovative vaccines are approved and _____ for use in many countries to prevent COVID-19.
(A) augmented
(B) automated
(C) authorized
(D) audited
答案：登入後查看
統計： A(0), B(1), C(8), D(0), E(0) #3664309
統計： A(0), B(1), C(8), D(0), E(0) #3664309
