Jim:​ Hello, Mia. I’m Jim, and (this/that) is your new office. Come in and sit down. I’m sorry about all (these/those)  boxes here.

Mia:​ That’s OK. What are they?

Jim:​ (That/Those) ones over there are full of our old books and (this/these) ones here are full of our new books.

Mia:​ Oh, right.

Jim:​ Sit down here at the desk. (This/That) is your computer, and (those/these) are your business cards. Do you have any questions?

Mia:​ Yes. Who’s in (those/these) pictures on that wall by the window?

Jim:​ They’re photos of all the workers here. Look. (This/Those) one’s of me and Vera.

Vera:​ Hello!

Jim:​ Oh, hi Vera. Vera, (that/this) is Mia. Mia, (this/that) is Vera.

Mia:​ Nice to meet you, Vera.

Vera: ​Is (this/that) your first day here?

Mia:​ Yes, it is…