问题描述:
My father was reading newspapers__my mother was cooking 填when还是while
答案上选while,但我觉得应选when,原因是我认为when>while
答案上选while,但我觉得应选when,原因是我认为when>while
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答