Variant I.
I.
1) said
2) told
3) told
4) said
5) told
II.
1) Nick said he had been to the zoo three days before.
2) The doctor said he was going to take Sam's blood pressure within a minute.
3) Mother said she had already washed up.
4) Liz told Helen they would see each other tomorrow.
5) Paul asked me if I had read that newspaper.
6) Victor asked what I had bought the day before.
7) Sally asked Mom to turn the light on.
III.
Mother asked us who had broken the glass the day before.
Doctor told me to take that medicine regularly.
She said her brother was reading at that moment.

Variant II.
I.
1) said
2) told
3) told
4) told
5) said
II.
1) Mr White said his little son had fallen ill the previous week.
2) John asked where I had gone the previous night.
3) Kate asked where Tim had gone.
4) The teacher told pupils not to make mistakes.
5) David said he was busy at the moment. He was cleaning his room.
6) Peter said his parents would come within two hours.
7) Granny said she had had a bad cough the day before.
III.
1) Lena wondered if we had seen that movie.
2) Father said he would help me to do the homework.
3) The teacher asked them not to be late.