I.
1) My friend asked if I could play chess well.
2) Frank asked where Bob went five minutes before.
3) Mother said we would go to the doctor in 3 days again.
4) Kate said that Alice hadn't come to school the day before.
5) The old man asked boys not to ride bicycles there.
6) The doctor adviced to drink warm milk with butter.
7) Mother asked why I was coughing so badly.
8) She asked where my books were.
9) The pupil asked where that river rises.
10) Granny asked Ann if she liked dairy products.
Но если считать это за неизменный факт, то:
Granny asked Ann if she likes dairy products.
11) My friend asked me where I would travel that summer.
12) The man said that those flowers grow in the forests of their country.
13) Pete asked Mike where he was going at that moment.
14) The doctor said that a person is healthy when he is not ill.
15) He said he hadn't watch TV the day before.
II.
1) are
2) will go, is
3) see, will invite
4) doesn't do
5) snows