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: Birds have ____ basic types of feathers.

Answer: three


Question: Young bees spend the first ____ to three weeks of their lives carrying out functions within the hive.

Answer: one


Question: Fats are the most concentrated source of food energy, supplying ____ calories per from.

Answer:
nine