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.
Problem:matthew went to bright river we're getting a little boy from an orphan asylum in nova scotia and he's coming on the train tonight if marilla had said that matthew had gone to bright river to meet a kangaroo from australia missus rachel could not have been more ____
Solution:
astonished