Question

12. Everybody has     responsibility to save water ， if future  generations   are to enjoy    similar standard of living to the one we enjoy now.

A. the; /       B.  a; a

C.  /； the    D.  a; the

Answer 1

12.   B考査冠词。句意：每个人都有责任节约用水，为了后代能够过上和我们现在相似水平的生活。responsibility责任， a responsibility表泛指；standard"标准，水平"，是可数名词，a similar standard表泛指。