Open the brackets and put the correct pronoum нужно поставить ван или ванс I havent got a textbook. I must buy (one_ones)

I havent got a textbook. I must buy one. I dont like these yellow flowers. Let me have some red ones. This story is more interesting than that one. This exercise is more difficult than the one we did yesterday. My tv set is old. I must buy a new one. I havent got a flag. I have to buy one. I dislike these books. Give me another ones. This river is longer than that one.