問題詳情

3.Sleep is a(n)______part of life. This comes as no surprise since human beings spend about a third of their life in the state of sleep.  (4/4)
(A) imaginative
(B) essential
(C) mere
(D) gracious

參考答案

答案：B
難度：適中0.666667
統計：A(1),B(6),C(0),D(0),E(0)