1. A: Did you do anything last night?

B: I went to the gym and I ...had just arrived… (just/ arrive) home when Michael called me. He said he (had been trying) to call me for ten minutes before I finally answered the phone.

2. A: Did you catch any fish on your fishing trip today?

B: Yes. I (had been sitting) in the boat for two hours when I caught a huge fish.

3. A: Did you enjoy the open-air concert yesterday?

B: The music was good, but the weather was terrible. The concert (had just started) when suddenly, it began to rain. The musicians (had only been playing) for ten minutes.

A: What a shame!

4 A: Was the house tidy when you got home?

B: Yes, the children (had dusted) the furniture and they (had put away) all of their toys.

5 A: Why were you so upset this morning?

B: Well, I (had been cleaning) the house for hours when the children came in with muddy shoes.

6 A: Why are you so late for work this morning?

B: I'm sorry. I (had been waiting) for the train for over an hour before it eventually arrived.