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Ответ: ex 2.

1 had been

2 thought

3 had been waiting

4 was waiting

5 has opened

6 was smiling

7 hadn’t been

8 listened/took

Ответ:2 упражнение 1.were

2.did she choose

3.had been thinking

4.had been waiting

5.opened

6.was smiling

7.hadn't been

8.listened, were taking

Объяснение: