Answer:
1. tampoco
2. algún
3. nunca
4. Ninguna
5. alguien
Explanation:
You must complete with the adverb of denial: tampoco, ningún, ninguna, nunca. Or with the adverb of quantity: algún, alguna.
An adverb is a part of the sentence that complements a verb, an adjective, other adverbs and even sentences. Adverbs express circumstances, such as mode, place, time, quantity, affirmation, doubt, etc.
"Alguno", "alguna", "algunos" and "algunas" may be indefinite pronouns; They refer to people, but unlike someone they do determine gender and number.
"Alguien" is always indefinite pronoun. It refers to one or more people, but always matches singular verbs.
