Em cần đáp án và thì của câu ạ

22. I have not been feeling good lately. 23. For the last two decades, space exploration has made great contributions to weather forecasting. 24. On July 20, 1929, Neil Armstrong stepped down onto the moon, becoming the first person ever to set foot on another planet. 25. Peter has met the President three times. 26. I have my car checked three times a year. 27. We are not in London now. 28. My elder sister has been learning French since November. 29. It has been 5 months since I first met him. 30. My little sister has seen "Sleeping Beauty" several times. VI. Choose the best answer 1. B. has gone 2. B. have you been 3. D. joined 4. B. fly 5. D. went out 6. B.has worked 7.C.play 8.A.is shopping 9.C.has watched 10.D.have eaten 11.A.taught 12.A.will stay 13.A.are going 14.C.has watched 15.D.has written 16.B.visit 17.B.does 18.C.came 19.A.have 20.C.go