I'glad to see you是怎么转化为Seeing you I feel glad的

I'm very glad ( )you.A.see B.to see C.seeing D.to seeing I’m glad to hear you feel am i glad to see you. I'm glad to see you again. I am____(glad gladly)to see you I'm really glad to see you I am very glad to see you 问下glad seeing you和glad to see you 的区别 Hi,I\'m glad to see you.怎么回答 I'm glad to see you again.的意思 i'm so glad to see you,you i am glad to see you.when ()you()here.