In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

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

A: six
****
Q: Muslim men can divorce by simply pronouncing triple talak and can have up to _ wives.

A: four
****
Q: Brazil is among the top _ producers of beef.

A:
ten
****