D Put the verbs in brackets into the Past Perfect or the Past Perfect Continuous.
1.I was very tired when I arrived home. I …. (work) hard all day.
2.When I arrived, Kate was angry. She …. (wait) for me for a very long
time.
3.When Sarah came at the party, Paul …. already …. (go) home.
4.When we got home last night, we found out that somebody ….
(break) into the flat.
5.Jim was on his hands and knees on the floor. He …. (look) for his
contact lens for 20 minutes.