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阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。

David is ten years old. He has many 【1】(friend). Jim is his best friend. And the two boys go to 【2】 same school.

Jim's birthday is coming. He says to David, “My birthday party is 【3】 6 o'clock to 9 o'clock on Saturday evening. Can you come 【4】 my party, David？” David answers, “Sure.”

On Saturday afternoon David's mother talks to 【5】(he), “Now, David. You will have the party this evening. Don't ask for food at the party,  【6】 this is not good. Let others give it to you.”

“Thanks for your ideas, Mom. They must be useful”， David answers. He 【7】(buy) a pair of sports shoes for Jim as a birthday gift. Jim likes 【8】(play) sports very much. For him, sports are 【9】(relax). At the party, Jim's mother doesn't see David, so she doesn't give him any food to eat. Poor David only plays 【10】 a model plane and doesn't eat anything. Then he takes his plate to others and says, “Does anyone want a clean plate？”