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:
Food waste is transformed into soil-like humus in three to ____ days.
answer:
seven


question:
Fossil fuels come in ____ major forms coal, oil and natural gas.
answer:
three


question:
Seedcorn maggots have ____ larval stages.
answer:

three