补全对话,每空一词。
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.
