认识旋翼飞机的原理:I (not see)him since 1995.

I (not see)him since1995 I (not see)him since 1995. 2.i __(see)Bill this morning,but i ___ (not see)him since. I didn't see him __ a year. Every time I see him , he is always reading something. I “did not” see that movie. 为什么不是“do not”?? 英语题:[As soon as he comes back,I'll tell him when__and see him.] I ______( not believe) until I see it for myself. I shall not hear from him __tomorrow. 填介词 Was she coming to see him or not?的肯定和否定应怎样回答