Rephrase the following sentences using a participle clause to express the reason why something happens: Example: I felt ill at ease because I didn’t know the answer. – Not knowing the answer, I felt ill at ease.
Because he had failed the exam the first time, he decided to take it again. – Having failed the exam the first time, he decided to take it again.

1.I returned the book to the library because I had finished reading it. 2.Because he was a language student, he was naturally interested in linguistics. 3.As I don’t like classical music, I didn’t go to the concert. 4.I felt embarrassed because I didn’t know what to do. 5.Because he had said nasty things to his wife, Mike felt ashamed of himself. 6.Because Dick was an irritable and short-tempered person, he didn’t have many friends. 7.They sold their old house because they had inherited a family estate from their distant relative.