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.

Exposure can occur in ____ general ways, ingestion, skin contact and inhalation.
three

Many infected dogs exhibit ____ symptoms until the disease is in an advanced state.
no

Hogs excrete about ____ times the wastes that humans do.

four