根据释义和首字母补全单词。

1. very bad                                                                                t_____

2. not free                                                                                 b_____

3.a part of a computer, you can see words and pictures on it         s_____

4.a machine that puts your words and pictures onto paper             p_____

5. sets of instruction that control your computer                           p_____

6. unhappy because you are alone                                                l_____

7. think of someone or something a lot                                        m_____