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.
--------
Question: Most people become sick ____ to seven days after infection.

Answer: two


Question: Death occurs after ingestion of ____ grams of quinine.

Answer: eight


Question: Females possess ____ mammary glands and can, therefore, nurse all offspring simultaneously.

Answer:
six