Here are the sentences with the verbs in the correct tense (Past Simple or Past Continuous):
- As Sophie was walking up Regent Street she met an old friend from college.
- When did your father arrive yesterday?
- He arrived late. The train was delayed due to an accident.
- Who were you speaking to on the phone when I came in?
- Mary was reading in bed when she heard a strange noise downstairs.
- When Mr. Lawrence left home at 8.30 this morning, the sun was shining brightly. However, by 10 o'clock it was raining heavily.
- Sebastian arrived at Susan's house a little before 11 a.m., but she was not there. She was studying at the library.
- The fireman rescued a 75-year-old woman who was trapped on the second floor of the burning building.
- Did you do any shopping yesterday?
- Yesterday Jane fell and hurt herself when she was riding her bicycle.
- What was Peter doing when you knocked on his door?
- Helen wore her dress to the party last night.