问题描述： Because they were not careful.(对画线部分提问) 1个回答 分类：英语 2014-11-11 问题解答： 我来补答 Why were they ont careful 再问： 是not!可答案是（Why did they not careful?） 再答： 答案错了careful是形容词 前面不能接助动词 需要系动词 构成系表结构上面not打错了呵呵 展开全文阅读
