阿摩線上測驗
17. He practiced the violin four hours a day. His teachers were _____ at his performance.
(A) amazed
(B) amazing
(C) to amaze
(D) to be amazing
答案：登入後查看
統計： A(201), B(32), C(7), D(5), E(0) #2647734
統計： A(201), B(32), C(7), D(5), E(0) #2647734
