We use you to talk about people in general including the speaker and the hearer:

You can buy this book anywhere > This book is on sale everywhere.
You can’t park here > Parking is not allowed here.
They don’t let you smoke in here > No smoking here

We use they or them to talk about people in general:

They serve good food here.
Ask them for a cheaper ticket.

… especially about the government and the authorities:

They don’t let you smoke in here.
They are going to increase taxes.
They are building a new motorway.
They say it’s going to rain tomorrow.



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i love this work


Good exercise, i do it daily .

 Hello! How you did this exercise?

i am very happy with this book

I Just love this website! <3

hi! everybody!...
it's a website Very cool!!
We can learn very much of it..........XD

Good exercise, Thanks.

I understand this (Pronouns - you, they)  But I cant correctly answered (1 to 6 exercise) any of this Complete the sentences.
Can anyone tell me why?
By the by Its a good website for learning and I'm going to complete all of the lessons, exercises step by step.