ОО ДАЮ 65 поинтов

task 2

1. had been listening

2. had listened

3. had been building

4. had built

task 3

1. had been flying

2. had flown

3. had been practising

4. had fished

task 1

1. had been standing

2.  had learned

3. had been chating

4. had eaten up