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]: Tall fescue produces the ____ diazaphenanthrene alkaloids, perlolidone and perloline.
[A]: two


[Q]: Beavers live in families that include an adult pair and ____ to three years worth of offspring.
[A]: one


[Q]: New species are believed to arrive in the Mediterranean at the rate of ____ to five annually.
[A]:
four