Exercise 2.Complete with the right demonstrative pronoun that, those, this or

Exercise 2.
Complete with the right demonstrative pronoun that, those, this or these.
Look at _______ kids playing in the garden over there; they're so cute.
Take one of _________ files from that table.
You know the books I am carrying are just fantastic. I think _______ books will keep me company during this summer holiday.
(About a picture hanging on the wall) ________ are my children.
(About a picture you've just taken from your wallet) _________is my wife