mọi người làm giúp mình 20 câu này với nhé,không chép mạng và nhớ giải thích,mình sẽ vote đầy đủ cho ai làm đúng nhất 1. The preparations _______ by the time the guests _______. A. had been finished / arrived B. have finished / arrived C. had finished / were arriving D. have been finished / were arrived 2. This car _______. A. was manufactured in Japan by Toyota last year B. was manufactured by Toyota last year in Japan C. was manufactured last year in Japan by Toyota D. last year was manufactured by Toyota in Japan 3. Gold _______ in California in the 19th century A. was discovered B. has been discovered C. were discovered D. they discover 4. People have discovered a new source of energy A. A new source of energy has discovered B. A new source of energy was discovered C. A new source of energy have been discovered D. A new source of energy has been discovered 5. People say that he was born in London A. That is said he was born in London B. It was said that he was born in London C. he was said to be born in London D. He is said to have been born in London 6. People say Chinese food is the best in the world A. Chinese food is said to be the best in the world B. I agree that Chinese food is the best in the world C. Chinese food is eaten all over the world D. No food in the world is eaten as much as Chinese food 7. The storm blew a lot of trees down last night A. A lot of trees were blown down last night by the storm B. A lot of trees were cut down last night C. The storm could have blown a lot of trees down D. The storm was strong enough to blow down old trees 8. They gave the job to Amy and Bob. A. Amy and Bob are given a job. B. A job was given to Amy and Bob. C. Amy and Bob was given a job. D. A job were given to Amy and Bob. 9. They started the work last week. A. The work was started last week. B. The work are started last week. C. The work were started last week. D. The work is started last week. 10. They finished the kitchen’s building on Saturday. A. The kitchen’s building was finished on Saturday. B. The kitchen’s building were finished on Saturday. C. The kitchen’s building is finished on Saturday. D. The kitchen’s building are finished on Saturday. 11. Somebody calls the president everyday. A. The president was called every day. B. The president are called every day. C. The president is called every day. D. The president were called every day. 12. Last Thursday we pointed a new marketing manager. A. A new marketing manager is pointed last Thursday. B. A new marketing manager were pointed last Thursday. C. A new marketing manager are pointed last Thursday. D. A new marketing manager was pointed last Thursday. 13. William, the conqueror built the castle in the 11¬¬th century. A. The castle are built by William, the conqueror in the 11¬¬th century. B. The castle were built by William, the conqueror in the 11¬¬th century. C. The castle was built by William, the conqueror in the 11¬¬th century. D. The castle is built by William, the conqueror in the 11¬¬th century. 14. People believed that somebody murdered Miss. Stone. A. It is said that Miss. Stone was murdered. B. It were said that Miss. Stone was murdered. C. It was believed that Miss. Stone was murdered. D. People believed that Miss. Stone murdered. 15. We put a notice about the trip on the notice board yesterday. A. A notice about the trip on the notice board put yesterday. B. A notice about the trip on the notice board was put yesterday. C. A notice about the trip on the notice board is put yesterday. D. A notice about the trip on the notice board are put yesterday. 16. People think that an apple a day is good for you. A. It is thought that an apple a day is good for you. B. It was thought that an apple a day is good for you. C. They are thought that an apple a day is good for you. D. They thought that an apple a day is good for you. 17. The cold weather damaged the plants. A. The plants were damaged by the cold weather. B. The plants was damaged by the cold weather. C. The plants are damaged by the cold weather. D. The plants is damaged by the cold weather. 18. They were doing the bedroom on Friday. A. The bedroom were being done on Friday. B. The bedroom is done on Friday C. The bedroom was being done on Friday D. The bedroom are done on Friday 19. They’re painting the living room now. A. The living room is painting now. B. The living room is painted now. C. The living room is being painting now. D. The living room is being painted now. 20. Martha was delivering the documents to the department. A. The documents was being delivered to the department by Martha. B. The documents was delivered to the department by Martha. C. The documents was being delivering to the department by Martha. D. The documents is being delivered to the department by Martha.