补全对话

Li Lei:    1    me, Tom. Do you have    2    eraser?

Tom: Sorry. I    3   .

Li Lei: Do you think David    4    one?

Tom: I think    5   . You can ask    6   .

Li Lei: David, may I have    7    eraser, please?

David: Sorry, Lucy has    8    eraser. Please go and ask her.

Li Lei: Excuse me, Lucy. May I    9    David's eraser?

Lucy: Certainly. Here you are. But you must give it back to him soon.

Li Lei: OK.    10    very much.

1. _____ 2. _____ 3. _____ 4. _____ 5. _____

6. _____ 7. _____ 8. _____ 9. _____ 10. _____