----- Nội dung dịch tự động từ ảnh ----- E. Writing : . Rewrite the sentences as directed. 33. There did not use to be many cars on the road before. Now there are... 34. My brother was a professor at Ha Noi University some years ago, but now he has a job as an enginneer at a big company. My brother used. 35. They has built this building since 2019. (Change these sentences into the passive. ) 36..They built a hydro power station in this area last year. (Change these sentences into the passive. )