1- This/These
2- That/Those
3- This, That/These, Those
https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Demonstratives/This,_that,_these,_those_uo6070ho
https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Demonstratives/Demonstratives_xn1596ql