instruction:
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.
question:
____ have seen that the chin was very pointed and pronounced that the big eyes were full of spirit and vivacity that the mouth was sweet lipped and expressive that the forehead was broad and full in short our discerning extraordinary observer might have concluded
answer:
might

question:
whence you got a glimpse of the bloom white cherry trees in the left orchard and nodding slender birches down in the hollow by the brook was greened over by ____ tangle of vines here sat marilla cuthbert when she sat at all always slightly distrustful of sunshine
answer:
a

question:
that had its source away back in the woods of the old cuthbert place it was reputed to be an intricate headlong brook in ____ earlier course through those woods with dark secrets of pool and cascade but by the time it reached lynde's hollow it was a quiet well conducted little stream
answer:
its