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]: Carbon atoms are tetravalent, and therefore, can have ____ bonding pairs around each carbon atom.
[EX A]: four

[EX Q]: Some alternative antibiotics require ____ doses per day for ten days.
[EX A]: three

[EX Q]: Alcoholics are nearly ____ times more likely than others to die in motor vehicle crashes.
[EX A]:
five