13. A: ________ does the average person walk each day? B: About 7,500 steps per day.(A)How often(B)

問題詳情

13. A: ________ does the average person walk each day? B: About 7,500 steps per day.
(A)How often
(B) How soon
(C) How old
(D) How far

答案：D
難度：適中0.652174
統計：A(20),B(0),C(0),D(45),E(0)