Question

Is these an eraser?
(X, wallet) No, it's not. It's a wallet
2. Are those/ these your friends over there?
(✓) those are
3. Are this/ these your notebooks?
(X, Jorge's notebooks)
4. Who's that/ those in the picture?
Friends
(a teacher)
5. Who is these / this?
(Juan, my friend)

Answer 1

2- Those

3- These

4- Those

5- This