instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Fire extinguishers have _ parts.
answer:
seven


question:
Saturated bonds are when each of the carbons has _ single bonds as in the top figure.
answer:
four


question:
Water intoxication can occur after drinking as little as _ litres.
answer:

three