bài1.chuyển các câu sau sang bị động bằng 2 cách. 5. People know that the director will go on business to England. 6. They say that he is trying to become a pop star. ****** 7. People know that this cotton was grown in Egypt. ********* ****** 8. People believe that the students have achieved great success. 9. They say that Alice is having a difficult time. 10. They knew that Tim worked overtime yesterday. *****
