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


[Q]: Threshold is a value to avoid ____ divide.
[A]: zero


[Q]: Scientists believe three out of every ____ breast cancers are hormone responsive.
[A]:
five