1.THey...students yesterday. A.am B.is C.was D.were 2.They...doctors two years ago. A.am B.is c.was d.were 3.They...farmers last month. a.are b.is c.was d.were 4.We...nurses yesterday. a.are b.is c.was d.were 5.The weather...cold yesterday. a.aren't b.isn't c.wasn't d.weren't 6.I...a pupiL last week. a.aren't b.isn't c.wasn't d.weren't 7.These hats...new yesterday. a.aren't b.isn't c.wasn't d.weren't 8.My parents...teachers two years ago. a.are b.is c.was d.were 9.He..a mechanic last monday. a.aren't b.is c.wasn't d.weren't 10.....he an engineer yesterday.No,he... a.is/isn't b.are/aren't c.was/wasn't d.were/weren't 11.....it hot last week? a.am b.is c.was d.were 12.The shops...open last monday. a.am b.is c.was d.were 13.... you a teacher two years ago?Yes,i... a.is/isn't b.are/aren't c.were/wasn't d.was/weren't