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:
Kinetic energy consists of ____ types of energies.
answer:
three


question:
Most dens are oval shape, six to nine feet long and about ____ feet in height and width.
answer:
six


question:
Primitive insects have ____ sets of wings.
answer:

two