Ответ:
my mum was at school in August
my dad was at work last week
my parents were in the country last year
my brothers were at summer camp last year
my sisters were in town in july
my aunt was in the mountains in August
my uncles were at the seaside 5 days ago
my cousins were abroad last summer
my granny was at home last week
my grandad was in town yesterday
good luck )