根据邀请卡回答问题

（1）Who has a birthdayparty?

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（2）What date is Sarah's birthday?

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（3）IsSarah'sbirthdayonWednesday?

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（4）WhattimeisSarah'sbirthdaypartyat?

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（1）Sarah.（2）It'sonOct21st.（3）Yes,itis.（4）It'sat4：30pm.