Past perfect continuous (I had been doing)

16.3

Put the verb into the most suitable form, past continuous (I was doing), past perfect (I had done) or past perfect continuous (I had been doing).

It was very noisy next door. Our neighbours (have) a party.
We were good friends. We (know) each other for years.
John and I went for a walk. I had difficulty keeping up with him because he (walk) so fast.
Sue was sitting on the ground. She was out of breath. She (run).
When I arrived, everybody was sitting round the table with their mouths full. They (eat).
When I arrived, everybody was sitting round the table and talking. Their mouths were empty, but their stomachs were full. They (eat).
Jim was on his hands and knees on the floor. He (look) for his contact lens.
When I arrived, Kate (wait) for me. She was annoyed with me because I was late and she (wait) for a long time.
I was sad when I sold my car. I (have) it for a very long time.
We were extremely tired at the end of the journey. We (travel) for more than 24 hours.