This and that are used for singular forms ex. This computer/That computer, this flower/that flower. These and those are used for plural forms ex. these pants are too small for me. Those flowers are far away. If you are using 'holiday' you need to use 'this' 'that'. If you are using 'holidays' you need to use 'these' 'those'.
No. See Mister Micawber's answer above.
Is it these holidays or this holidays
This and that are used for singular forms ex. This computer/That computer, this flower/that flower.
These and those are used for plural forms ex. these pants are too small for me. Those flowers are far away.
If you are using 'holiday' you need to use 'this' 'that'. If you are using 'holidays' you need to use 'these' 'those'.