15. Complete the sentences with the correct forms of the verbs

15. Complete the sentences with the correct forms of the verbs in brackets. (Present Perfect or Present Perfect Continuous) (5 points) 1. I __ (not be) able to reach my boss on the phone yet. I __ (try) for the last twenty minutes, but the line __ busy. 2. Who __ (eat) all the cake?! There39;s none left. 3. How long __ (you go) on long-distance hikes? Since I was in college. And Im now in my sixties. 4. We __ (know) each other for years. 5. Im tired. We __ (walk) for over an hour. Lets stop and rest for a while. 16. Complete the sentences with the correct forms of the verbs in brackets. (Past Perfect or Past Perfect Continuous) (5 points) 1. He __ (repair) the radio for an hour when you arrived. 2. I was delighted when I found my keys. I __ (look) for them for hours. 3. Her boss was very angry with her because she __ (come) to work very late. 4. His knees and hands were very dirty. He __ (crawl) in the garden. 5. It was New Years Day and it __ (snow) for about twelve hours. 17. Rewrite the following sentences in the passive. (10 points) 1. They chose him as the best actor of the year. 2. Someone had broken our door down. 3. The secretary has given Mrs. Jones some letters. 4. A man requested the stranger to leave the meeting. 5. They chose him as the best actor of the year. 18. Change the following sentences from direct to indirect speech. (10 points) 1. The secretary asked the man, Who do you want to see, sir? 2. Mary said, The train will probably arrive on time. 3. The passengers asked, When did the last train leave? 4. He asked, Can I borrow your pen, Linda? 5. Teacher to the student: Give me your book.