instruction:
Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.
question:
Edges Usually refers to the ____ outside edges of the pages of a book.
answer:
three


question:
Dicots are plants that have ____ cotyledons.
answer:
two


question:
Levees are approximately ____ half to four times the channel width in diameter.
answer:

one