help me please we have the exercise tomorrow​

Good evening

On utilise
This au singulier et these au pluriel quand l’objet est prêt.
That ou those au pluriel quand l’objet est loin.

2/……. are our books.
3/ This is my new laptop.
4/ ….. are our trophies

Je te laisse mettre le bon mot suivant mes indications

This is Bob’s ball. ⚽️
These are my books and those are my pens.
This is her bag and that is her watch

Have a nice evening