Detailed Instructions: You are given an English sentence with a blank, and you need to predict the missing word. After completing, the whole sentence should be gramatically correct and non-ambiguous.
See one example below:
Problem: The kid on the street is ____ soccer
Solution: playing
Explanation: This is the original sentence 'The kid on the street is playing soccer' So, we have correctly predicted the missing word to be 'soccer'

Problem: awaited the return of debray in the little green room seated between two baskets of flowers which she had that morning sent and which it must ____ confessed
Solution:
be