I'm( )forward to our continued cooperation in the future.A hoping B helping C looking D look选哪个

I'm really looking forward to our vacation.这个句子是用了look forward to (doing) sth这个语法,而为什么语法中的forward没有ing,而句子中的forward却可以用ing形式? I'm looking forward to tomorrow i'm looking forward to it I'm look forward to your love, I'm really looking forward to the I 'm looking forward to my miracle. I'm( )forward to our continued cooperation in the future.A hoping B helping C looking D look选哪个 I'm loking forward to doing it I'm loking forward to doing it We look forward to,our For our homework tonight ,we have to write a description of the street where we live.I'm looking forward to doing啥意思 I'm looking forward to hearing from him.翻译 I'm looking forward to seeing you again a special life i`m looking forward to 英语作文 I'm looking forward to your incomparable什么意思 怎么回答i'm looking forward to seeing you I'm looking forward to the day we have I'm look forward to---(ski) on real ice I'm looking forward to visiting the Great Wall.