1.
2 They weren't at home.
3 Tom wasn't at school.
4 The girls weren't with us.
5 Sophia wasn't in the park.
2.
2 Where was Helen at 5 o'clock yesterday? She was at the park.
3 Where were Tom and Mary at 9 o'clock yesterday? They were at the theater.
4 Where was Mr. Miller at 2 o'clock yesterday? He was at work.
5 Where was Doris at 4 o'clock yesterday? She was at home.
6 Where were you and the boys at 7 o'clock ? We were at the supermarket.