Giúp mình nha ----- Nội dung dịch tự động từ ảnh ----- Turn the following sentences into the passive voice. 1. They were cleaning the floor when I came to their house. 2. The president promises that he will solve the environmental problem next year. 3. Oliver, I think someone is following us! 50 300 4. Where are they going to hold their wedding ceremony? ΠΟΤΙΣΤΙΚΟ ΠΡΟΓ 5. A volcanic eruption can destroy a huge area in a short period of time. 6. The experts conducted an economic survey in this area yesterday. 7. Nobody has used this car for ages since it's too old.
