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

Q: Most volcanoes erupt for _ to four weeks and then rest.

A: three
****
Q: Cancer can develop in any of the _ sections of the colon or in the rectum.

A: four
****
Q: Infected pigs can shed the virus in their faeces for up to _ to four weeks after infection.

A:
three
****