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]: Seasonal records indicate that, in most years, ____ generations occur.
[A]: two

[Q]: Most ducks acquire breeding plumage in the fall, ____ or seven months before other birds.
[A]: six

[Q]: Arbitration is a process where one or ____ arbitrators make a decision about the case.
[A]:
three