I was doing my homework,my mother was cooking in the kitchenA While B When C AfterD Before 在句首填答案

分类: 作业答案 • 2022-02-18 08:42:46

问题描述：

I was doing my homework,my mother was cooking in the kitchen
A While B When C AfterD Before
在句首填答案

答

B是最佳的 A有转折意思 CD前后时态不一样时才用.