根据句意及图片,完成下列各题。
1. I need a book . I should go to the________.
2. My grandmother feels sick . I will go to the________ with her.
3. I want to post a letter . I should go to the________.
4. I want to see a film . I should go to the________.
5. I want to borrow(借)books . I should go to the________.