問題詳情

24. Selecting a cell phone for personal use is no easy task because technology ______ so rapidly.
(A) has changed
(B) is changing
(C)will change
(D) will have changed

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)