1)put books into the bag.(this /these) 2)how much is dictionary? (that/those) 3)look at flowers! (that/those) 4)do you like ? (this /these) 5)is your brother next to the board? (that/those)

1)these
2)that
3)those
4)this
5)that

Put these books into the bag
How much is that dictionary?
Look at those beautiful flowers?
Do you like this picture?
Is that your brother next to the board?