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: Snowmobiles can accommodate ____ riders per vehicle.

A: two
****
Q: Western medicine uses ____ approaches, drugs or surgery.

A: two
****
Q: Beetles remain infectious for at least ____ weeks.

A:
three
****