2)he was a doctor two years ago
3)they were farmers last year
4)Lan and Ba were nurses last year
5)It was cold last night
6)the windows were open last monday
7) Were you a teacher two years ago? yes,I were
8)this hat was new last week
9)where was Nam from yesterday
10)my parents were teaches years ago
Chúc bạn học tốt ^^