阿摩線上測驗
20. Many students are _________ to music on sophisticated stereo systems, so they are probably accustomed to much better sound reproduction than is available in many elementary music classrooms.
(A) used listening
(B) used listen
(C) used to listen
(D) used to listening
答案：登入後查看
統計： A(0), B(0), C(1), D(0), E(0) #3354322
統計： A(0), B(0), C(1), D(0), E(0) #3354322
