PET Grammar - Demonstratives

Fill in the blanks with this, that, these or those. ANSWERS
1) Look there, is my sister on the train.
2) Let me introduce you. David, is Sarah.
3) Hello, is Greg speaking.
4) Please take postcards over there and go to the post office.
5) Could you pass me newspapers beside you, please?
6) Have you forgotten about money I lent you the day before yesterday?
7) What are trousers doing here?
8) 'Karen has got a new car.' 'Has she? I didn't know '.
9) When I was a child, we spent our holidays in the mountains. were the days!
10) He's really busy morning.