Demonstratives: this, these, that, those.
They all start with the sound /Γ°/ (like in the). Put your tongue between your teeth and let air pass with your voice.
Word: This
Word: These
Word: That
Word: Those
Word: This one
Word: Those ones
Word: That one
Sentence: This is my book.
Sentence: Those are my shoes.
Sentence: That is a dog.
Sentence: These are my friends.
Sentence: This is my pen.
Sentence: Those are apples.
Sentence: That is my car.
Sentence: These are my toys.
Choose the correct demonstrative, then check your answer. Look at the clues (near/far, one/many). Listen and repeat.