In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Pups are unable to swim or find food until seven to _ weeks old or until the ice melts .
[EX A]: eight

[EX Q]: Essential oils have a non-toxic, residual effect of up to five months from just _ application.
[EX A]: one

[EX Q]: Puppy teeth begin to erupt until all the baby teeth are in by about _ to six weeks of age.
[EX A]:
five