----- Nội dung dịch tự động từ ảnh ----- Câu 28. I.... her for two years. (Give the correct verb ) A. knew B. know C. known D. have known A В C D Câu 29. He many old books 5 years ago. (Give the correct verb) ....... А. recycled B. is recycling C. has recycled D. will recycle A В D Câu 30. She ... her house again since last month. (Give the correct verb) A. paint B. painted C. have painted D. has painted A В Câu 31. They ..the plastic bottles with water several times yesterday. (Give the correct verb) A. washed B. is washed C. are washed D. were washed A В C D B.