请问I didn't see him和I haven't see him的区别

请问I didn't see him和I haven't see him的区别 you didn't see him and____did i I ____(see)him,but he didn't see me i didn't see I didn't see him,but i _____(hear)him ____(go)downstairs I didn't see him __ a year.填介词A.for B.in C.on John looked unhappy when i went to see him yesterdayJohn looked unhappy when i went to see him yesterday,but I didn't know what he _______(think ) about.请回答尽可能详细,包括答案和解析, I didn't hear from him why didn't I see that? John looked unhappy when I went to see him yesterday evening,but I didn't为什么填 was troubling although i didn't see him,i found his book____he left it.a.which b.when c.where d.what I didn't hear from him for a long time,so I went to see him by ( )a.me b.myself c.him d.himself You didn't see Uncle Wang did you?__,I met him in his office.A Yes,Idid B No,I didn't I happy to see him,but I didn't have timeI happy to see him,but I didn't have time.A.will have been B.would be C.will be D.would have been i went to see tom at the hotel. i did n't meet him because i didn't know_which room he stayed in和where he stayed in选哪个 为什么 I didn't see her when I left是什么意思 i didn't see the aliens.she didn't see t( ) either. 1.Did you interview him yesterday = Did you ___ ___ ___ ___ him yesterday 2.I didn't see so tal a tree.= I didn't see ____ a _____tree.