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]: Lions spend much of their time resting and are active only about ____ hours every day.
[A]: four

[Q]: Nests Have at least one nest for every three to ____ hens.
[A]: four

[Q]: Some people have ____ symptoms but are still infected and able to transmit gonorrhea.
[A]:
no