demonstrative pronouns

56. A.This is a painting.
B.That is a painting.
C.Those are paintings.
D.These are paintings.

57. A.This is my teddy bear.
B.That is my teddy bear.
C.Those are my teddy bear.
D.These are my teddy bear.

58. A.This is a book
B.That is a book.
C.Those are books.
D.These are books

59. A.This is a bird.
B.That is a bird.
C.Those are birds.
D.These are birds.

60. A.This is my chicken.
B.That is my chicken.
C.Those are my chickens.
D.These are my chickens.