Fish is a noun,
pastimes is a noun
oldest is an adjective
Answer:
1. Who's Toby?
2. An idiom is a phrase that is has non-literal meaning. She probably means that Christopher needs to hurry before he dies of old age.
3. Where is the conflict?
This question was incomplete so the answer is incomplete.
(of a person) able to speak or write a particular foreign language easily and accurately.