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]: Photosynthesis has ____ main sets of reactions.
[A]: two


[Q]: Cardiovascular disease is the cause of more deaths than the next ____ causes of death combined.
[A]: seven


[Q]: Preeclampsia occurs without warning in up to ____ percent of all pregnant women.
[A]:
five