Question 25: The products damaged during shipment or packaging should (replace) immediately. → The products damaged during shipment or packaging should be replaced immediately.

Question 26: I was born and grew up in the house (destroy) _____ in an earthquake 10 years ago. → I was born and grew up in the house destroyed in an earthquake 10 years ago.

Question 27: Because of a mechanical problem, the replacement parts could not (ship) _____ by tomorrow. → Because of a mechanical problem, the replacement parts could not be shipped by tomorrow.

Question 28: The rumors go that Jack will be arrested. He is said (take) _____ part in a bloody robbery. → The rumors go that Jack will be arrested. He is said to have taken part in a bloody robbery.

Question 29: He would have studied medicine if he (admit) _____ to a medical school. → He would have studied medicine if he had been admitted to a medical school.

Question 30: Everyone likes (congratulate) _____ when they have got some success. → Everyone likes to be congratulated when they have got some success.

Question 31: The living conditions in the rural areas of the country (improve) _____ during the past 5 years. → The living conditions in the rural areas of the country have been improved/have improved during the past 5 years. (Cả hai đều có thể chấp nhận được, tùy vào ngữ cảnh muốn nhấn mạnh chủ động hay bị động. Nếu nhấn mạnh quá trình tự thân cải thiện thì dùng "have improved", nếu nhấn mạnh sự tác động từ bên ngoài thì dùng "have been improved").

Question 32: Unless we can find new sources of energy, our life will certainly (reflect) _____. → Unless we can find new sources of energy, our life will certainly be reflected. (Câu này có vẻ hơi lạ về mặt ngữ nghĩa. Nếu ý là "cuộc sống của chúng ta chắc chắn sẽ bị ảnh hưởng", thì dùng "be affected" hoặc "be impacted" sẽ phù hợp hơn. Nếu giữ nguyên "reflect" thì nghĩa không rõ ràng lắm.)

Question 33: There is said (be) _____ a secret tunnel between those two houses. → There is said to be a secret tunnel between those two houses.

Question 34: He is said to (be) _____ playing football since he was 5. → He is said to have been playing football since he was 5.

Question 35: The train (suppose) _____ to arrive at 11.30 but it was an hour late. → The train was supposed to arrive at 11.30 but it was an hour late.

Question 36: I don't understand why the students didn't keep silent while the speech (make) _____. → I don't understand why the students didn't keep silent while the speech was being made.

Question 37: I apologized for the mistakes (make) _____ by my team. There appears to (be) _____ a slight misunderstanding. → I apologized for the mistakes made by my team. There appears to be a slight misunderstanding.

Question 38: When (ask) _____ about the price of her ring, she refused to answer. → When asked about the price of her ring, she refused to answer. (Đây là dạng rút gọn mệnh đề trạng ngữ, "When she was asked" rút gọn thành "When asked").

Question 39: I must get my mother (clean) _____ my suit before the interview. → I must get my mother to clean my suit before the interview. (Get someone to do something: nhờ/khiến ai đó làm gì)

Question 40: No-one seems to (predict) _____ the correct result. → No-one seems to predict the correct result.

Exercise 2: Rewrite these sentences in passive voice.

Question 1: He must pay the bills before the fifth of the month. → The bills must be paid by him before the fifth of the month.

Question 2: No one has opened that box for the past hundred years. → That box has not been opened for the past hundred years.

Question 3: The boy screamed while the dentist was pulling out one of his teeth. → The boy screamed while one of his teeth was being pulled out by the dentist.

Question 4: The fire has destroyed many houses. → Many houses have been destroyed by the fire.

Question 5: The children are carrying the chairs into the house. → The chairs are being carried into the house by the children.