một đội công nhân 6 ngày đầu mỗi ngày sửa được 2,72km đường tàu; 4 ngày sau mỗi gày sửa được 2,17km đường tàu.Hỏi trung bình mỗi ngày đội công nhân đó sửa được bao nhiêu mét đường tàu?

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I. Combine the following sentences, using: who, whom which: 1I have a friend. He loves to collect stamps.............................................................................................. 2Bring me the dictionary. It’s on the table....................................................................................................• 3The man is my uncle. He is talking to the policeman..............................................................................................• 4The woman is my teacher. She came to see you yesterday.................................................................................................• 5The student speaks English well. He spoke to you last week................................................................................................• 6The big table is for reading. It is in the middle of the room..............................................................................................• 7These are some questions. We don’t understand them very well.................................................................................................• 8Is that the package? You wanted me to send it.............................................................................................• 9The man is a clown. They talked to him after the performance...............................................................................................• 10The film is very interesting. We saw it on TV last night............................................................................................• 11My uncle bought a car. The car costs thirty thousand dollars..............................................................................................• 12Bill is the man. We’re going to recommend him for the job................................................................................................• 13I met the lion-tamer. I saw him in the show yesterday............................................................................................ 14The bus runs every hour. It goes to the airport. ............................................................................................• 15Peter told me about his friend. He loves him very much........................................................................................... •16The student is very intelligent. You’ve just talked to him..............................................................................................• 17The boy gave you this letter. He is wearing a white shirt...............................................................................................• 18The shopkeeper gave you this bag. Would you please show me him?..............................................................................................• 19The shoes are under the chair. Would you mind lending me them?.......................................................................................• 20Last week I lost a pen. I’ve found it now............................................................................................• 21The boy will be punished. He threw that stone..............................................................................................• 22The man is a famous actor. You mat him at the party last night............................................................................................• 23Sandra works in advertising. You were talking to her.........................................................................................• 24I don’t know the woman’s name. I spoke to her on the phone.......................................................................................• 25The man made me sad the most. I love him with all my heart.....................................................................................• 26You send me a present. Thank you very much for it.............................................................................................• 27We went to the play last night. We enjoyed the play very much.............................................................................................• 28I made a birthday card for my father. My father loves the card very much............................................................................................. •29The students are working in the school garden. They are in the ninth form...............................................................................................• 30The world was to be a great adventure for him. He knew very little about the world...........................................................................................

Make questions for the underlined words or phrases: 16. Nam left home at 7 o’clock yesterday. ................................................................................................................................................ 17. He taught English in the high school. ................................................................................................................................................ 18. The homework was very difficult yesterday. ................................................................................................................................................ 19. She often does the housework after doing exercises. ................................................................................................................................................ 20. They are planting some roses in the garden. ................................................................................................................................................ 21. Liz will send these letters to her friends. ................................................................................................................................................ 22. My favorite subject is Math. ................................................................................................................................................ 23. I often listen to music in my free time. ................................................................................................................................................ 24. She learns about computers in computer science class. ................................................................................................................................................ 25. My mother is cooking in the kitchen at the moment. ............................................................................................................................................... 26. Lan likes playing table tennis. ................................................................................................................................................ 27. I go to the movies twice a week. ................................................................................................................................................ 28. They go to the beach on the summer holidays. ............................................................................................................................................... 29. They stay in a hotel. ...............................................................................................................................................