You can use the demonstratives to point to nouns, we use them taking into account if the noun is singular, plural, and if it is far or near. Besides the demostratives have two usages, like an adjective or pronoun.
There are four demonstratives:
This/ðɪs/ apple
These/ðiːz/
apples
THAT: used for far and singular nouns.
"It's time to take notes"
DEMONSTRATIVE PRONOUNS VS. DEMONSTRATIVE ADJECTIVES
Demonstrative Pronouns
The demonstrative Pronouns are words that show which person or thing is being referred to.
Example:
This is my mother.
This is my computer.
These are my fruits and those are yours.
Demonstratives Adjectives
We use demonstrative adjectives to point out specific people or things and it is used before the noun, like an adjective.
Examples:
This book is mine.
This jacket is beautiful.
That computer is big.
avalible on: http://www.youtube.com/watch?v=roialCcWVao
"It's time to practice"
QUESTION:
Choose the correct pronoun: