I don't know how to send a postcard.为什么to send不用原形?

I don't know how to send a postcard.为什么to send不用原形? 1the,if,you,know,to,send,please,don't,a,text,how,how,message She told me how to send my friend a postcard. I want send a postcard to my dad (改错） Time to go.Send my a postcard Lucy,don't ()to send a postcard to me.填一个单词.要求_ _ _ _ e _ I don't know _____to send e-mail.A.how B.what C.which D.who (Send) me a postcard from America.(send) 为什么填send 英语翻译I don't know why you have refused to send us your invoic I would like to send my postcard 的同义句 send,to,I,postcard,the,nexf.怎样连词成句 英语翻译i just wanted to send you a quick note to let you know t