关于have和did用法的英语问题
问题描述:
关于have和did用法的英语问题
A:You can't smoke here.The sign says "No smoking".
B:Sorry.I____(didn't see/haven't seen)it.
答案是didn't see还是haven't seen,理由是什么呢?
答
didn't see
haven't seen表示现在还没看见,但是他已经看见了所以没看见这一动作已在他说话前停止了