instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Packs usually have fewer than _ wolves.
answer:
ten


question:
Trees can also be air layered but air layering usually takes four to _ months to be successful.
answer:
six


question:
Tourism is among the _ largest industries in each of the western states.
answer:

three