問題詳情
75. One reason that rural houses cost more to heat is that ________ .
(A) they are not as well built as modern city houses
(B) they can’t be reached easily
(C) the people who live there are older
(D) more people live there
參考答案
答案：A
統計：A:1,B:2,C:1,D:0,E:0
難度：計算中