Ответ:

1) Yesterday it was a happy day

2) Helen stayed at a hotel during her visit

3) John is watching TV in the living room now

4) She will go home tomorrow

5) Robert called me up from his place then

6) I had my watch repaired at the watchmaker's yesterday

7) The room is on the tenth floor

8) The weather then was fine

9) The woman called the police at once

10) She went to school in England