問題詳情
5. ______ indicate that Social Security benefits constitute the main source of income for retired Americans who are over sixty-five years of age.
(A) Official
(B) Stocks
(C) Surveys
(D) Geometers
參考答案
答案：C
難度：簡單0.738876
統計：A(121),B(17),C(631),D(39),E(0) #
個人：尚未作答書單：vocabulary、persume
用户評論
【用戶】Yu Lee
【年級】小二下
【評論內容】geometer
【用戶】Lovely Pei
【年級】高二下
【評論內容】Social Security 社會福利(包括退休、失業、傷殘等保險)