阿摩線上測驗
49. The author implies that, compared with those of the past, contemporary lighthouses _____.
(A) employ more powerful lights
(B) require less maintenance
(C) are more difficult to operate
(D) are more romantic
答案：登入後查看
統計： A(18), B(138), C(22), D(12), E(0) #593192
統計： A(18), B(138), C(22), D(12), E(0) #593192
