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.

[EX Q]: 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
[EX A]: yes

[EX Q]: and a full soft ____ beard which he had worn ever since he was twenty in fact he had looked at twenty very much as he looked at sixty lacking a little of the grayness when he reached bright river there was no sign of any train
[EX A]: brown

[EX Q]: chapter ____ nine the law we have seen how quietly
[EX A]:
ninety