Переделайте в косвенную речь, : ) 1."china is a densely populated country" she said. 2."it's time they moved to a new house" ann said. 3. "water freezes below 0 °c" he said . 4. " i was reading the children a story last night when the lights went out" she said. 5." i will help you to repair you car tomorrow" he said to me. 6. " i didn't understand the meaning of the film" he said. 7." you can come to me if you have any problems" she said to him. 8." i saw the film you recommended last night" he said to her . 9." i'm going to spain next week" he said. 10." she doesn't understand"he said. 11." i would invite money people if i had a bigger flat" he said. 12."i will not repeat this again" he said go us. 13." i've applied for several jobs this week" he said. 14."i'm afraid i can't come" be said to me. 15."if i finish it this evening, we'll go out" he said to her. 16."i saw him yesterday bury he didn't recognise me" she said.

1. she said that china  is* a densely populated country. 2. ann said that it was time they had moved to a new house. 3. he said that water  freezes* below 0 °c.4. she said that she had been reading the children a story the previous night when the lights had gone out.5. he told me that he would help me to repair my car the next day.6. he said that he hadn't understand the meaning of the film.7. she told him that he could come to her if he had any problems.8. he told her that he had seen the film she had recommended the previous night.9. he said that he was going to spain the following week.10. he said that she didn't understand.11. he said that he would have invited many people if he had had a bigger flat.12. he told us that he wouldn't repeat that again.13. he said that he had applied for several jobs that week.14. he told me that he was afraid he couldn't come.15. he told her that if he finished it that evening, they would go out.16. she said that she had seen him the day before but he hadn't recognised her.is/freezes* - в данных случаях мы имеем полное право ничего не изменять в предложениях. связано это с тем, что информация, которую несут данные предложения, всегда является действительной, вне зависимости от говорящего. например, если я сказал когда-то в прошлом, что мадрид - столица испании, то от моих слов ничего не изменится: мадрид как был столицей испании, так он ей и остался. поэтому,  "i said that madrid  is the capital of spain".

Преимущества в том что больше объем знаний ,а недостатки что чуть- чуть сложнее чем в обычной школе