Let's ___housewarming partyA haveB to haveC having答案是A吗?为什么不是B呢?难道LET'S后面一定要接动词原形吗?不可以跟TO吗?

Let's let's Let's Let’s let's let 's Let's let's Let's LeT'S let's let's Let's Dance,Let's Dance,Let's Dance 歌词 Let's Play! Let's play a let’s play! Let's-play-together. 英语Let's count