阿摩線上測驗
2. The early stages of the mass vaccination campaign have been a ________, far behind schedule and full of
frustration for people to try to get shots.
(A) mass
(B) math
(C) mess
(D) meth
答案：登入後查看
統計： A(0), B(0), C(1), D(0), E(0) #2745594
統計： A(0), B(0), C(1), D(0), E(0) #2745594
