Verified answer

1) "I was waiting for the bus when he arrived", she said.

   She said that she had been waiting for the bus when he arrived.

2) "I visited my parents at the weekend", she said.

   She told me (that) she visited (had visited) her parents at the weekend.

3) "How often do you go to the cinema?" she asked.

   She asked me how often I went to the cinema.

4) "What were you doing when I saw you?" she asked.

     She asked me what I was doing when she saw me.

5) "Will you come later?" she asked.

   She asked me if I would come later.

6) "Tidy your room!" she said. (глагол tell не употребляется без дополнения)

 She told me to tidy my room.

7) "Don't do that!" she said.

  She told me not to do that.

8) "Eat your dinner!"  she said.

   She told me to eat my dinner.

9) "I won't buy a new car," she said.

  She said that she wouldn't buy a new car.

10) "We will set off tomorrow,"  they said.

 They said they would set off the following day.

11) "I invited him last week," she said.

   She said that she had invited him the week before.

12) "Have you been here all this time?" she asked.

   She asked if I had been there all that time.

13) "Where is the library?" she asked.​

  She asked where the library was.