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.

Pertussis is highly contagious with symptoms that can linger ____ to ten weeks.
six

Babies start swimming lessons as young as ____ weeks old.
four

Sage grouse are North America's largest grouse, with adult males weighing up to ____ pounds.

eight