Cho bốn số có tổng là 45. Nếu đem số thứ nhất cộng với hai, số thứ hai trừ đi 2, số thứ ba nhân với 2, số thứ tư chia cho 2 thì được bốn kết quả bằng nhau. Hãy tìm bốn số đã cho.

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EXERCISE 4. Past continuous tense(chuyển từ chủ động sang bị động 1. She was constantly complaining all things to me. ____________________________________________________________ 2. They were playing soccer when it rained heavily yesterday. ____________________________________________________________ 3. He was writing the letter at 11p.m yesterday. ____________________________________________________________ 4. Duong Diep was cleaning the floor when I arrived. ____________________________________________________________ 5. Joan was cooking lunch at this time. ____________________________________________________________ 6. He was painting the house when I came. Thầ y Bùi Văn Vinh – 0988.333.599 109 ____________________________________________________________ 7. The teacher was reading the book when we came. ____________________________________________________________ 8. Mary’s mother was washing the clothes. ____________________________________________________________ 9. Her friends were drinking coffee at the cafe. ____________________________________________________________ 10. He was boiling the eggs when I saw him. ____________________________________________________________ 11. His brother was painting the door. ____________________________________________________________ 12. Thu was waiting for him at the school. ____________________________________________________________ 13. We were doing the exercises. ____________________________________________________________ 14. They were painting the gate of the school. ____________________________________________________________ 15. They were doing the bedroom on Friday. ____________________________________________________________