Преобразуйте предложения в косвенную речь. 1- She said:" I dont know where I have lost my hotel key." 2- The firefighter said:" The main cause of fires is carelessness". 3- We will have finished building by the end of the year",they said to me. 4- My mather said to me:" Go to bed".

1- She said she didnt know where dhe had lost her hotel key.
2- The firefighter said the main cause of fires was carelessness.
3- They said to me they would have finished building by the end of the year.
4- My mother said to me to go to bed.