Решение:
Нужно использовать глаголы из рамки в форме Past Continuous, чтобы закончить предложения.
- At nine o'clock, my brother and sister were watching TV.
- At quarter past nine, my dad was reading a newspaper.
- At ten o'clock, Jack and Lola were riding their bikes in the park.
- At half past ten, my mum was buying ice creams for us at the park.
- At half past one, we were having lunch together at home.
- At three o'clock, Jack was making a model robot.
Ответ: 1. were watching; 2. was reading; 3. were riding; 4. was buying; 5. were having; 6. was making.