___ (我们为什么不)have a party to celebrate his birthday?

___ (我们为什么不)have a party to celebrate his birthday? tony usually(has a birthday party)to celebrate his birthday划 英语改错 ：The students celebrate his birthday by have a party fo the students celebrate his birthday by have a party for him I celebrate my birthday () a party. I have a friend celebrate my birthday with me.celebrate前要加to I'm going to ___ (have) a birthday party next week. have a birthday party They had a party to celebrate Millie's _____(twelve)birthday 改错：He usually have a party on his birthday. Evert year he ___(have) a birthday party. People in the USA have a party ___ (celebrate) the festival.