句子轉換。
1. She is an American, and he is English. (變成復數句子)
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2. Are the twins in different classes? (變成陳述句)
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3. They can see the blackboard and the door in the picture. (對劃線部提問)
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4. Lucy and Lily are new students. (變成一般疑問句)
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5. —What are these?
—They are apples. (變成單數句子)
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6. My teacher is over there. (就劃線部分提問)
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