I always see him grinning from ear to ear这句话有错吗?

I always see him grinning from ear to ear这句话有错吗? I always see him _exercises .(do)用do还是 doing,请说明理由 He always smiles _ _ I see him 每次我看见他 他总是微笑着 My uncle ( ) when I go to see him.a.has always workedb.will always workc.has always been workingd.is always working选哪个,为什么,谢谢~ I can not see him I (not see)him since1995 1.he has always worked when i go to see him 2.he is always working when i go to see him.第1句话对吗?这两句话有什么区别,分别强调什么. 用所给单词的适当形式填空：I always see him( ) (heip) the old man on my way home. when___you___(see)him?I ___(see)him last Sunday. I will always have time to see I would like to see him ( ) possible. i （hard） ever see him now you didn't see him and____did i I hope to see him s_ I (not see)him since 1995. i (not see)him since 1995 You never see my heart,because I see like him. I ____(see)him,but he didn't see me