关于have you seen 和 do you see

问题描述:

关于have you seen 和 do you see
如果某人在找一本书 他应该问别人
have you seen my book 还是do you see my book?
如果某人在吸烟 别人提醒他墙上有 禁止吸烟 的标志
他应回答 sorry i haven't seen it 还是i didn't see it?
如果吸烟的人现在已经看到了 他应该回答哪一个?...

Have you seen my book
i didn't see it
如果吸烟的人现在已经看到了 他应该回答哪一个?
也是答i didn't see it