Rewrite sentences by combining two sentences into one sentence and using suggested clues: 1. David had gone home before we arrived. - After ……………………………………………………………………… 2. We had lunch then we took a look around the shops. - Before ……………………………………………………………………… 3. The light had gone out before we got out of the office. - When…………………………………………………………………………. 4. After she had explained everything clearly, we started our work. - By the time …………………………………………………………………… 5. My father had watered all the plants in the garden by the time my mother came home. - Before …………………………………………………………………… 6. Bill will invite Ann to the party. - Ann…………………………….. 7. I didn't write that letter. - That letter……………………… 8. Hundreds of people visit the White House everyday. - The White House…………………………………. 9. Everyone doesn't know this fact very well. - This fact…………………………………………. 10. Do you wash the dishes everyday? - Are………………………………………………? 11. Shakespeare wrote that play. - That play………………………………………… 12. They are opening a new ring road round the city. - A new ring road ……………………………………………….. 13. They have moved nothing in your room. - Nothing ………………………………………………. 14. The teacher is going to explain the lesson. - The lesson ………………………………………………………. 15. Kathy had returned the book to the library. - The book ………………………………………………………. 16. They have to repair the engine of the car. - The engine of the car............................................................................................ 17. They may use this room for the classroom. - This room ............................................................................................................. 18. They can’t make tea with cold water. - Tea........................................................................................................................ 19. The chief engineer was instructing all the workers of the plant. - All the workers of the plant................................................................................. 20. The air is so dirty. I sneeze so much. - If ................................................................................................................ 21. Their children have birth defects. The parents were exposed to radiation. - Because ....................................................................................................... 22. The air pollution causes breathing problems. (LEADS) ........................................................................................................................... 23. The environment is polluted. Birds leave their habitats and plants die. (MAKES) ..................................................................................................................... 24. Plastic bags are major source of waste. We should not theow plastic bags everywhere. (SO) ....................................................................................................................... 25. The food is contaminated. People’s health is poor. (RESULT IN) ...................................................................................................................... 26. Factories release fumes. The air people breathe gets polluted. (DUE TO) .............................................................................................................................. Các bạn giúp mình với ạ :(((((