题目内容：

简答  阅读信件，根据信件内容回答问题。

Dear Kate,

My birthday is coming this Sunday. I want to have a party at home in the morning. It starts at eight. Many friends are coming. Can you come to my party? Please tell me.

Yours,

Mary

Dear Mary,

Thanks for inviting me to your party. I'd love to go to your party. But I may be late for it. I have to meet my uncle at eight in the morning. I can get there at nine.

Yours,

Kate

1.Whose birthday is this Sunday?

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2.Where will Mary have the party?

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3.Can Kate come to the party?

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4.Why will Kate be late?

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5.How long will Kate be late for the party?

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