1) My friend said that he wasn't joking.
2) He said that he had already spoken to the manager.
3) Joan said to Mary that she hadn't felt very well the day before.
4) Simon said that he had to go then. He was in a hurry.5) She said that she liked swimming and playing tennis.
6) Mike said that his parents were arriving the next day.
7) He said that they had been in that city two years before.
8) She said that her friend didn't like that film.
9) David said that he would help me the next day if I had time.
10) Jane said she had already translated two articles.
11) They told us they were going to stay in that hotel.
12) Julia said she would have finished her work by seven o'clock that night.
13) He said he wanted to know where I had spent the previous night.
14) My cousin said he would be working the whole day the next Friday.
15) He told me to mind my business.

1) My friend said he wasn't joking.
2) He said he had already spoken to the manager.
3) Joan said to Mary she hadn't felt very well the day before.
4) Simon said he had to go then because he was in a hurry. или Simon said he had to go then and added that he was in a hurry. 
5) She said she liked swimming and playing tennis.
6) Mike said his parents were arriving the next day.
7) He said they had been in that city two years before.
8) She said her friend didn't like that film.
9) David said he would help me the next day if I had time.
10) Jane said she had already translated two articles.
11) They told us they were going to stay in that hotel.
12) Julia said she would have finished her work by seven o'clock that night.
13) He said he wanted to know where I had spent the previous night.
14) My cousin said he would be working the whole day the next Friday.
15) He told me to mind my business.