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.

Q: Elephants give birth to ____ calf every four to nine years on average.

A: one
****
Q: Significant power is observed in the magnetic field oscillations with periods of ____ minutes.

A: five
****
Q: Orioles usually have a lifespan of three to ____ years.

A:
seven
****