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.

[EX Q]: Most programmable circuits have at least ____ channels.
[EX A]: two

[EX Q]: Comprehension is the second of the ____ elements of the informed consent process.
[EX A]: three

[EX Q]: Some magpies continue begging for food till ____ or nine months.
[EX A]:
eight