問題詳情

3. Mom __________ in the yard when I go out jogging at four this afternoon.
(A) is exercising
(B) was exercising
(C) will be exercising
(D) had exercised

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)