阿摩線上測驗
13. In response to growing concerns about food safety, authorities have _____ enforce stricter standards governing the production and distribution of dairy products.
(A) taken to
(B) pledged to
(C) ushered to
(D) conditioned to
答案：登入後查看
統計： A(10), B(15), C(5), D(2), E(0) #3450029
統計： A(10), B(15), C(5), D(2), E(0) #3450029
