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: take it to your master madame will await my return ____ go the concierge closed the door leaving madame danglars in the street she had not long to wait

SOLUTION: yes

PROBLEM: appeared to the baroness as if shaped for ____ mutual advantage but the inflexibility of the procureur should stop there she would see him the next day and if she could not make him fail in his duties as a magistrate she would at least

SOLUTION: their

PROBLEM: had got as far away as he possibly could from his fellow men without actually retreating into the woods when he founded his homestead green gables was built at the furthest edge of his cleared land and ____ it was to this day

SOLUTION:
there