giúp toi với ạ ----- Nội dung dịch tự động từ ảnh ----- 5. Change the sentences into passive voice (c). 1. Why didn't they help him? 6. What books are people reading this year? .......... 2. How many games has the team played? 7. How did the police find the lost man? ...... ......... 3. Where do people speak English? 8. What time can the boys hand in their papers? 4. Who are they keeping in the kitchen? 9. How many marks does the teacher give you? ........ 5. How can they open this safe? 10. How long have they waited for the doctor? ...... 6. Change the sentences into active yoice