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.

Q: Female smokers enter menopause an average of ____ years earlier than nonsmokers.

A: five
****
Q: Intermittent streams flow at least ____ months of the year.

A: six
****
Q: Mumps is contagious ____ days prior to and nine days after the onset of symptoms.

A:
seven
****