将下面的两个简单句合并成一个含有定语从句的复合句。
1. She is the girl. I went there with the girl.→
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2. I want to find the pen. I wrote the novel with the pen.→
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3. I remember the day. "The Beatles" played their first hit on that day.→
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4. The guitar was lost. George gave many performances with it.→
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5. The musicians were very popular. They worked with the musicians.→
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6. Luckily, we'd brought a road map. Without the road map we would have lost our way.→
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7. The girl has just come back. My sister visited the Great Wall with the girl.→
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8. He loved his parents deeply. Both of his parents are very kind to him. →
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9. I bought an ancient vase. The price of the ancient vase was very reasonable →
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10. The person is Mr. Ball. I lent my bicycle to the person. →
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