1. your, birthday, brother's, when, is (连词成句) ?
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2. birthday, Dave's, fifth, July, is (连词成句) . 
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3. Joe likes Art Festival best. (改为一般疑问句) 
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4. What's your age? (改为同义句) 
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5. They have a school trip every year. (改为一般疑问句) 
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