Read the situations and write sentences in the third conditional.
1 My friend was able to fix my computer because she had done a course in computer science. 2 My brother had enough money to buy the tickets because they'd paid him his salary that morning. 3 I got 90% in the exam because I had studied a lot. 4 The road was wet because it was raining. 5 I didn't buy you a present because I didn't have any money. 6 I only knew her secret because you had told me. 7 We didn't know they were such horrible people when we became their friends. 8 He did really badly in the race because he hadn't trained