Rewrite the sentences

1)The bed was comfortable. I slept in It last night.
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2) I never forget the pari. We met each other for the first time at this park.
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3) I do not know the reason. She left school for It.
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4) We have not decided the day. I'll go to London on that day.
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5) Our school has a good laboratory.  The students practice chemistry in the laboratory.
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6) Our school has a good laboratory. Mr John designed It in.
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7) is the time. My plane will arrive then.
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8) I love my parents' house. I was born in that house.
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9) The book is a telephone directory. We can look up tel number in this book.
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10) We first met in The revolution took place then.
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11) This is the house. We have lived there for five years.
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12) We often visit our friends in Brostol. It is only miles away. 
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