Question

each of us was given a choise which is determiner or pronoun

Answer 1

Answer:

Determiners are words such as the, my, this, some, twenty, each, any, which are used before nouns. We can also use some determiners as pronouns (i.e. without a noun following and when the meaning is clear without including the noun)

Answer 2

Answer:

Oxford Dictionaries suggest that each of is a pronoun but each one of is a determiner. In sentence 6 each is an adjective/determiner/indefinite adjective because it tells us something about the number of friends.

Explanation:

read carefully