阿摩線上測驗
2. Houston, where downtown high-rises are hard to air-condition and where driving is essential for work or recreation, is one of the _______ American cities in energy use.
(A) unproductive
(C) inefficient
(B) inadequate
(D) incompetent
答案：登入後查看
統計： A(0), B(0), C(1), D(0), E(0) #3364799
統計： A(0), B(0), C(1), D(0), E(0) #3364799
