根据上下文完成对话,每空一词.David:Liu Tao,____are you____?Liu Tao:I'm____

根据上下文完成对话,每空一词.
David:Liu Tao,____are you____?
Liu Tao:I'm____to the library.I want to find some books about music.After that Wang Bing and I are going to buy some presents___Ben.
David:Birthday presents?
Liu Tao:____.Ben is going to____his parents in New York.
David :Really?____is Ben going to buy for them?
Liu Tao:He is going to buy them some big kites.
David:____to buy them?
Liu Tao:At the shopping centre near our school.Would you like to go with____?
David:Sorry,I can't.I'm going to____a race with my dad.