TASK DEFINITION: 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: maybe they were out of boys of the brand you wanted he walked jauntily away being hungry and the unfortunate matthew was left to do that which was harder for him than bearding a lion in its den walk up to a girl a strange girl ____ orphan girl

SOLUTION: an

PROBLEM: debray was occupied in repelling the insinuations of ____ friend who tried to persuade him

SOLUTION: a

PROBLEM: marilla's ____ twitched understandingly she had expected missus rachel up she had known that the sight of matthew jaunting off so unaccountably would be too much for her neighbor's curiosity oh no i'm quite well although i had a bad headache yesterday she said

SOLUTION:
lips