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

 1)Put these books into the bag. (множественное число)
2)How much is that dictionary? (единственное число)
3)Look at those beautiful flowers! (множественное число)
4)Do you like this picture? (единственное число)
5)Is that your brother next to the board? (единственное число)