根据句意，补全对话，每空一词。

(Li Ming and Kangkang are in the school library)

Li Ming: Excuse me, may I    1    a few Ren'ai Project English workbook?

Girl: Of    2   . Many students are using them, and they are doing better in English now.

(The girl looks for the books on the shelves)

Girl: Here you are.

Li Ming: Great! How long can I    3   them?

Girl: Two weeks. You must   4   them on time.

Li Ming: Sure , I will. Thank you.

Girl: It's a    5