Read the sentences about two mountain climbers. then complete the sentences with the past perfect simple or past perfect continuous form of the verb in brackets.
Moscow russia 15/03/16 dear ed, i was glad to receive your letter. sorry for my later answer. i'm happy because you had a wonderful and captivating journey to france. it's useful to take part in the international conference. it makes you cleverer and gives you a great deal of knowledge. i am preparing for my final exams. it's important period of my life. i want to go to moscow university after school because it's necessary to have good education. i am fond of arts. my exams begin in three months. i hope all of my dreams will come true. thank you for taking the time to read my letter. i know great things lie ahead for you. best wishes, kate