問題詳情

16. Mom ___________ her fingers while she ___________ a cake.
(A) burned; was baking　
(B) was burning; baking　
(C) burning; baked　
(D) burning; was baking

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)