用所给单词的适当形式填空,以使句子完整

问题描述:

用所给单词的适当形式填空,以使句子完整
This is the 【 】(begin) of this story
I got Lily's【 】(invite) of her party

This is the 【begining 】(begin) of this story
I got Lily's【inviation 】(invite) of her party