問題詳情

8. In the United States, there is always ____ flow of people to areas of ______ country where more jobs can be found.
(A) a; the
(B) the ; a
(C) the; the
(D) a; a

參考答案

答案：A
難度：適中0.5
統計：A(1),B(0),C(0),D(0),E(0)