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.

[EX Q]: Niobium occurs primarily in ____ minerals, columbite and pyrochlore.
[EX A]: two

[EX Q]: Intermittent streams flow at least ____ months of the year.
[EX A]: six

[EX Q]: Piglets remain in thick cover for about ____ days, but then accompany the sow.
[EX A]:
seven