"them" The correct term for glasses is "a pair of glasses" which implies two and therefore the plural "them" must be used in your sentence.

They.

them. you could use 'it' for something not specified like replace glasses by 'dress' then it becomes 'it' but for example you say instead of a dress a 'suit' this is also a dress but then here you use 'it'. also for plural things 'socks' will be them, 'hat' will be 'it' so on and so forth.

you will be use "it" Oh you've bought new glasses?! I like it . "it" pronoun for something non-sapiens examples : _ did you like my car ? yes i like it. _ did you like Anya family ? yes i like them If someone comes and asks for the tickets, just give it to them. it for tickets and them for someone.