93. I think he ………the letter. A. answers B. answering C. will answer D is answer 94. They ………..bored with listening to classical musicnow. A. are B. were C. have been D. will be 95. It is the first time I ……..this place A. have visited B. visited C. will vist D. had visited 96. I have just started English courses. I …………..English grammar now. A. study B. studying D. am studied D. am studying 97. She ……….of great help to us since she ………..with us. A. has been / has lived B. has been/ lived C. was/ has lived D. was/lived 98. She used …..me when she was in London. A. phone B. phoned C. to phone D. to phoning 99. Dotors and scientists……..recently the benefit of fish in the diet. A. have shown B. show C. are showing D. had shown 100. I ………dinner at 6 o’clock yesterday evening. A. cooked B. is cooking C. was cooing D. have cooked IV: Change the following sentences into the passive voice 8.Citizens ought to obey the country’s law.The country’s law VI:Change the following sentences into the passive voice : Yes – No questions: Do they teach English here? ……………………………………………………………………… Will you invite her to your wedding party? ……………………………………………………………………… Did the teacher give some exercises? ……………………………………………………………………… Is he going to write a poem? ……………………………………………………………………… Have they changed the window of the laboratory? ……………………………………………………………………… Is Tom making big cakes for the party? ……………………………………………………………………… Must we finish the test before ten? ……………………………………………………………………… Are the police making inquires about the thief? ……………………………………………………………………… VII:Change the following sentences into the passive voice : Wh-question: When will you do the work? ……………………………………………………………. How many days did she spend finishing the work? ………………………………… Why didn’t they help him? …………………………………………………………….. Who are they keeping in the kitchen? …………………………………………………. Who did the police find the lost man? …………………………………………………. Who looked after the children for you?…