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]: Sealants can normally last up to ____ years and hold up very well under normal chewing.
[EX A]: five

[EX Q]: Wood consists of ____ distinct fuels.
[EX A]: two

[EX Q]: Statistics show, however, that men are ____ times more likely to be lefty than women.
[EX A]:
three