Why _did't_they_go_(not go)to see the play yesterday?-Because they have _seen_(see)it before.讲一下
问题描述：
Why _did't_they_go_(not go)to see the play yesterday?-Because they have _seen_(see)it before.讲一下
为什么这么填?有懂英语的朋友给解释一下哈!谢谢!
答
先分析你所说的英语断句：他们昨天为什么去/没去看那场戏剧?所以第一个空格应填写“didn't”
因为他们在之前已经看过了.这表示他们以前已经看过,需用现在完成时态,所以应填写“seen”