1. Did she cook a very tasty dinner yesterday?She didn't cook a very tasty dinner yesterday.2. Did Nick go to the cinema yesterday?Yesterday Nick didn't go to the cinema.3. Did she write two letters last week?She didn't write two letters last week.4. Did we see Peter yesterday?We didn't see Peter yesterday.5. Did her father go on a business trip last month?Her father didn't go on a business trip last month.6. Did he get up at seven o'clock yesterday morning?He didn't get up at seven o'clock yesterday morning.7. Did he play the piano last Monday?He didn't play the piano last Monday.8. Did we spend last summer at the sea-side?We didn't spend last summer at the sea-side.