Combine each pair of sentences, using WHO, WHOM, WHICH
1.Mark liked people. They aren’t too serious.
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2.The school boy is my friend. He fell asleep in his class.
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3.Ho Chi Minh city is the city. It is more crowded than Hanoi.
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4.The photographs were extraordinary. They were published in that newspaper.
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5.That is an umbrella. I bought it yesterday.
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6.Is this the man? You are waiting for the man.
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7.The film will be shown on TV next Sunday. They have just finished it.
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8.Who is the woman? We met her here last year.
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9.The office is on the 22nd floor. I work in that office.
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10.The children were playing football. I saw them at the park.
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11.The meeting was interesting. I went to it.
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12.The man was very kind. I talked to him yesterday.
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13.The book was good. I read it yesterday.
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14.The people were very nice. We visited them two days ago.
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15.They are repairing the house. They bought it in July.
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Giúp mk vs ạ !