Chu vi của hình chữ nhật là 54 m Tính diện tích của hình chữ nhật biết rằng nếu bớt của chiều dài 25,10 m và tăng chiều rộng 25,10 m Thì hình đó trở thành hình

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làm hộ mình đi D. WRITING I. Write the correct form of the words to complete the sentences. 1. He always has a big smile. He is always . (cheer) 2. Now she is very tired, because she spent a night. (rest) 3. That old man has a bad memory. He is . (forget) 4. He does not care about his actions. He is often . (thought) 5. You should throw this pen away. It is . (use) 6. The man does not pay attention to mistakes. He is . (care) 7. The picture has many colours. It is very . (colour) 8. We enjoyed the party. It was very . (joy) 9. She did not show any fear. She was . (fear) 10. He does not have any friends. He is . (friend) II. Complete the directed speech sentences. 1. Mr. Smith said: “Where are you going on your vacation this year?  Mr. Smith asked 2. She said: “Did the mechanics finish repairing your car?”  She asked 3. She said: “Why has David been looking so miserable lately?”  She asked 4. I asked my friend: “Was anyone hurt in the car accident last month?”  He asked my friend 5. She asked me: “How old are you now ?”  She asked me 6. He said to her: “Have you been to town today ?”  She asked her 7. John said: “How long does it take you to get to London, Mary?”  John asked Mary 8. The policeman asked the little girl: “What’s your name?”  The policeman asked the little girl 9. Mr. Green said to his secretary: “Who did you talk to a few minutes ago?”  Mr. Green asked his secretary 10. Paul said: “Can you swim, Mary?”  Paul asked Mary 11. He said: “Where can I find her in this town?”  He asked 12. She asked her son: “Do you know which is the cup you used ?”  She asked her son 13. Helen said: “What did you say, Jack ?”  Helen asked Jack 14. She said to him: “Why didn’t you get up early this morning ?”  She asked him 15. He said: “Will it rain tonight ?”  He asked 16. “Every weekend, the astronauts can have private video-conferences with their families on the Earth,” Dr. Nelson said.  Dr. Nelson said 17. “Have the astronauts ever forgotten anything from the Earth?” Nick asked his teacher.  Nick asked his teacher 18. “The astronauts on the ISS use a 3-D printer on board to print certain objects,” the teacher answered Nick.  The teacher told Nick 19. “Where can we look for life?” Nga asked Dr. Nelson .  Nga asked Dr. Nelson 20. “Ganymede, the largest moon of Jupiter, has a large salt water ocean,” the teacher said.  The teacher said