Phrase: "get it"

[Leonidi Karot]

English Error, Elementary Level

ESL/EFL Test #22 "Read before you sign", question 5

A. All right you go and get it I'll just sit here and wait for you.

(a) right
(b) it
(c) for

English Error, Elementary Level

ESL/EFL Test #22 "Read before you sign", answer 5

A. All right you go and get them I'll just sit here and wait for you.

Correct entry: them
The error was: (b) it

You have not found the error.
A. All right you go and get it I'll just sit here and wait for you.
_________________________

Why 'it' is incorrect?

Leonidi Karot

[Pamela]

Leonidi, them refers to glasses, that's why you need plural personal pronoun them but not it. The whole test consists of a small dialogue, thus, the test questions are closely connected.