Read the rules and the examples.Then make sentences. We use this/these for things near us. We use this in the singular and these in the plutal. we use that/those for things far away from us. we use thar in the singalar and those in the plural
Если это то что я понял, то так 3 This is a digital camera. 4 These are watches. 7 Those are trainers. 8 That is a skateboard.