阿摩線上測驗
31. New laws have been enacted by the legislature to reduce carbon dioxide ______ from
vehicles and factories.
(A)portraits
(B)applications
(C)emissions
(D)sensations
答案：登入後查看
統計： A(7), B(27), C(105), D(5), E(0) #2683356
統計： A(7), B(27), C(105), D(5), E(0) #2683356
