Question

I visit my grandma at/on/in Monday​

Answer 1

Ответ:

on Monday

Объяснение:

Answer 2

The correct preposition to use in this sentence is "on." We use "on" before days of the week to indicate a specific day.

So, the correct sentence would be: "I visit my grandma on Monday."

This means that you regularly visit your grandma every Monday.