Odpowiedź:
I'm interested in computer - He/She said (that) he/she was interested in computer.
I'm playing the piano - He/She said (that) he/she was playing the piano.
Monica was at the gym - Monica said (that) she had been at the gym.
I do my homework everyday - He/She said (that) he/she did his/her homework everyday.
Mike brought a new laptop - Mike said (that) he had brought a new laptop.
We have taken some pictures - They said (that) they had taken some pictures.
The teacher will come to the meeting - The teacher said he/she would come to the meeting.