1. She didn’t tell anyone / someone about her decision.
Excellent
Remember that we use anyone to refer to an indefinite noun that is an person, in negative sentences.
2. It’s a secret. Don’t tell anyone / any!
Remember that we use anyone to refer to an indefinite noun that is an person, in negative sentences.
Excellent
3. How much does the ticket cost? someone / some money, why?
Remember that we use some in questions to refer to an indefinite noun that is uncountable.
Excellent
4. Did you have anything / any else with you besides the bag?
Remember that we use anything in questions to refer to an indefinite noun that is an object.
Excellent
5. Some / Somebody of the teachers are staying in the classroom for the presentation.
Remember that we use some in affirmative sentences, to refer to how many of a group do something.
Excellent