Question

Complete the sentences with this or these

Answer 1

This is my dog. (прямо близко)
There is my house. (подальше)
И т. п.

Answer 2

This-(этот) характерен для единственного числа
These-(эти)для множественного 
This dog-is my dog (эта собака-моя собака)
These girls are very  happy.(эти девочки очень веселые)

Answer 3

1. I can't decide which of _______ two books to read first.
2. _______ flowers in the garden are beautiful.
3. Can you pass me _______ pencil, please?
4. _______ cookies taste delicious.
5. I need to return _______ borrowed items to the library.
6. _______ movie is my favorite of all time.
7. I can't believe _______ happened.
8. _______ pictures were taken on my last vacation.
9. _______ song is stuck in my head all day.
10. _______ new shoes are comfortable to wear.