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.

[EX Q]: Many infected dogs exhibit ____ symptoms until the disease is in an advanced state.
[EX A]: no

[EX Q]: Babies can be exclusively breast-fed for their first ____ months of life.
[EX A]: six

[EX Q]: Water consists of ____ oxygen atom and two hydrogen atoms.
[EX A]:
one