【正文】
下列句子改為被動語態(tài) 1. We will discuss the problem tomorrow. ________________________________________________________________________ 答案: The problem will be discussed tomorrow. 2. He will paint his house next week. ________________________________________________________________________ 答案: His house will be painted next week. 3. Rio de Janeiro will host the 31st Olympic Games in the year 2021. ________________________________________________________________________ 答案: The 31st Olympic Games will be hosted in Rio de Janeiro in the year 2021. 4. They will finish the job in three hours. ________________________________________________________________________ 答案: The job will be finished in three hours. 5. We will put off th