用正确形式填空，每词只能用一次。

　　invent meet impolite German frighten enter drop one well happy

　　1. I _________that ink on the floor and made a mess yesterday.

　　2. Did you see a man wearing raincoat ________ the room?

　　3. He is talking to the visitors very ______.

　　4. The ghost story is too ________ to read at night.

　　5. Don’t you remember ________ Jessie at the English Corner? She talked with you about Journey to the West on that day!

　　6. Can you tell me if hot dogs come from _________?

　　7. Which do you think is the most useful ___________?

　　8. Hamlet is the __________ famous play I have watched.

　　9. With much practice since last term I do much ________ in math now.

　　10. It is ________ to chew your food with your mouth open.

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