Question

Помогите пожалуйста!! 1. Karen (pack) her suitcase by the time you called her. 2. They (study) this document for 2 hours before the meeting started. 3. They (watch) a carnival for 2 hours before the mobile phone rang.

Answer 1

1) had packed

2) had been studying

3) had been watching

Answer 2

1. Karen had packed her suitcase by the time you called her.
2. They had studied this document for 2 hours before the meeting started.
3. They had been watching a carnival for 2 hours before the mobile phone rang.