Put the verbs into the suitable firm, Past Continuous, Past Perfect

Put the verbs into the suitable firm, Past Continuous, Past Perfect or Past Perfect Continuous. 1. It was very noisy next door. Our neighbours ____________ (have) a party. 2. We were good friends. We _________ (know) each other for years. 3. John and I went for a walk. I had difficulty keeping up with him because he ________ (walk) so fast. 4. Sue was sitting on the ground. She was out of breath. She _________ (run). 5. When we arrived, everybody was sitting round the table and talking. Their mouths were empty, but their stomachs were full. They _________ (eat).