1 . A ________ in reading, the girl lost track of the time and was the last to leave the library. （根据首字母单词拼写）

2 . A________in deep thought, the hard-working student didn’t hear the noise outside at all. (根据首字母单词拼写)

3 . You become so deeply _______ (全神贯注的) in an activity that you lose track of time. (根据汉语提示单词拼写)

4 . — What kind of person do you think Tom is?
— He is a silent but hard-working student, always sitting there, a_____ in the book he is reading.

6 . A________in the colourful broadcast programs, the boy didn’t finish his homework. （根据首字母单词拼写）

7 . I found him sitting in his chair, completely a ____ in a magazine.

8 . My son was so a________ in his book that he didn’t notice my stepping into the room. (根据首字母单词拼写)

9 . The boy was so a__________ in the computer game that he knocked into a tree.

10 . ________________(全神贯注)in my own studies, I seldom took notice of Mother’s tiredness and never offered to help her with the housework.