Dùng thì Qúa khứ đơn hoặc Qúa khứ hoàn thành 1 . When i ( arrive ) ... home last night , I ( discover ) ...that Jane (prepare)... a beautiful candlelight dinner 2 . When i ( turn )... the radio on yesterday , i h ( hear ) ... a song that was popular when i was in high school . I ( nothear ) ...th song for years, and ( bring ) ...back some great memories 3. Last week , I (runinto) ....an old friend of mine . We ( not see ) ...each other for years and both of us ( change ) ...a great deal 4. When Wmilio(enter) ...the room , I (not recognize ) ... him because he ( lose) ...so much weight and ( grow ) ... a beard . He (look)... totally different 5. When Oprah Winfrey (get)... her own TV show in 1986 , she (work)...as a news reporter for a long time