mọi người jup mình với huhu Từ các số 0,1,2,3,4,5 có thể lập được bao nhiêu số trong đó : a, chữ số 0 có mặt 3 lần mỗi chữ số khác có mặt đúng 1 lần b,chữ số 1 có mặt 3 lần mỗi chữ số khác có mặt đúng 1 lần

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chuyển từ chủ động sang bị động giúp mình với 1. Anna is preparing everything for the meeting. ____________________________________________________________ 2. My brother is repairing his bike at the moment. ____________________________________________________________ 3. Son and Tan are speaking English now. ____________________________________________________________ 4. Are you making a lot of noise? ____________________________________________________________ 5. They are doing the Maths test at present. ____________________________________________________________ 6. My friends are eating an orange. ____________________________________________________________ 7. They are watching the film. ____________________________________________________________ 8. We are doing the exercises. ____________________________________________________________ 9. She is cutting the paper right now. ____________________________________________________________ 10. They are singing the songs in the room. ____________________________________________________________ 11. We are reading the book now. ____________________________________________________________ 12. The students are discussing the questions. ____________________________________________________________ 13. My father is repairing my bike. ____________________________________________________________ 14. She is cooking the meal in the kitchen now. ____________________________________________________________ 15. About thirty thousand people are watching this program. ____________________________________________________________