Ответ:

1. They had finished all the work by 5 o'clock

2. Miss Brown had tidied the room before they returned home

3. Helen had eaten all the cake she bought

4. He bought a car after he had saved enough money

5. After she had written the letter she signed it

6. Frank felt sick because he had drunk too much juice

Ответ:

1 had finished 2 had tidied 3 had eaten 4 had saved 5 had written 6 had drunk

Объяснение: