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Exercise 1: Choose the best answer 1. My wedding ring ………… of yellow and white gold. A. is made B. is making C. made D. maked 2. This house ……………….for 2 years. A. was built B. has been built C. has built D. built 3. References …………. in the examination room. A. not are used B. is not used C. didn’t used D. are not used 4. Mary ………….. in Boston. A. are born B. were born C. was born D. born 5. There’s somebody behind us. I think we are ………………. A. being followed B. are followed C. follow D. following 6. Have you …………….. by a dog? A. bite B. ever been bit C. ever been bitten D. bit 7. The room is being ………….. at the moment. A. was cleaned B. cleaned C. cleaning D. clean 8. Mr. Wilson is . . . . . . . . as Wilie to his friend. A. knowed B. knew C. known D. is known 9. When…………..? In 1928. A. penicillin was discovered B. did pencillin discoved. C. was penicillin discoverd D. did pencillin discover. 10. All the homework be doing _____________ at home. A. should do B. should done C. should be done D. should Exercise 2: Give the correct form of verb in passive voice 1. English ( speak) ___________ in many countries. 2. I (not allow)_________________ to stay out too late. 3. My homework ( finish) _____________ before 7 p.m yesterday. 4. The accidents ( cause)_____________ by this man last night. 5. This meal ( prepare) _____________ by my mother at the moment. 6. This box ( not open) _____________ yet. 7. The cakes (cut) _____________into 8 pieces already. 8. This postcard ( send) _____________to Italy by my Italian friend 3 days ago. 9. These cakes ( make) _____________ by my sister in the kitchen now. 10. This organization (found) _____________ by a businessman 3 years ago.