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]: Biennials require portions of ____ growing seasons to reproduce.
[EX A]: two

[EX Q]: Scientists think that macaws mate for life, producing one to ____ young each year.
[EX A]: three

[EX Q]: Most children improve in three to ____ days.
[EX A]:
seven