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: Most species have ____ toes, three of which are forward-pointing.

A: four
****
Q: Jersey has nine breeding seabird species, of which ____ nest on the north coast.

A: seven
****
Q: Trees are a long-term investment that can take up to ____ years to produce.

A:
six
****