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]: Irrigation can increase land productivity by three to ____ times, especially in the north.
[A]: seven


[Q]: Hedgehogs give birth to one to ____ babies which are born with the spines just below the skin.
[A]: seven


[Q]: Most ladybugs have oval, dome-shaped bodies with ____ short legs.
[A]:
six