1 yesterday i called my friend 2 last month bob invited me to the party 3 last week ann sent a letter 4 one hour ago they bought a cake 5 yesterday mother brought toys 6 last year i read a book 7 last week bob read the book 8 last month we chose a bike 9 last year nick rode his bike 10 yesterday he opened the door 11 two hours ago they finished their work 12 last month i understood it 13 yesterday we had lunch at 12 o'clock 14 last week bob had dinner at home 15 last month ann met her friends 16 last day they did their homework