(That/Those) girl is beautiful.
That girl is beautiful.
This dogs are cute.
Incorrect.
These dogs are cute.
______ is your ruler.
(Those/That)
That is your ruler.
(That, Those) movie is very good.
That movie is very good.
Those folders are big.
Correct
______ is my folder.
(That/Those)
That is my folder..
(This, These) story is scary.
This story is scary
Is that a pencil case?
Correct.
____ book is boring.
This/These)
This book is boring.
(These, This) books in my hand are my favourite.
These books in my hand are my favourite.
I think those pencils are pretty.
Correct.
______ are her pens.
(This, These)
These are her pens.
(Those, These) books in the library are very interesting.
Those books in the library are very interesting.
Bring these book to class.
Incorrect.
Bring these books to class./ Bring this book to class.
______are my classmates.
(That/Those)
Those are my classmates.