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 ____ beak, two wings, and two feet.

Answer: one


Question: Hoatzin has typical foot with ____ toes forwards and one backwards.

Answer: three


Question: Rabbits can mate from three to ____ times a year.

Answer:
seven