Вставьте other, the other,another 
1.I have two pens. This one is not very good. I think Ishould give you....
2. These apples are very tasty. Can Ihave... one?
3. I have two sandwiches. One is with ham. Please give me... one. I don`t like ham.
4.Children`s books are boring. You don`t have to read them. There are... books in the bookcase.
5. Do you want to go camping with us? No, thank you Ihave... Hoddies.