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