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: Some niqabs have ____ or two holes for the eyes.

A: one
****
Q: Irrigation can increase land productivity by three to ____ times, especially in the north.

A: seven
****
Q: Mammals have a dentition divided into ____ distinct types of teeth.

A:
three
****