問題詳情

47. If you want to use energy free, you have to_____.
(A) sign an agreement with the government
(B) pay around £14,000 for the equipment
(C) sell the roof to some energy companies
(D) keep the roof unchanged for within 25 years

參考答案

答案:D
難度:非常困難0
統計:A(0),B(1),C(0),D(0),E(0)

內容推薦