Hiện tại hoàn thành hoặc quá khứ đơn nha cảm ơn các bạn
1. I ( have)....this toy since my birthday 2 We(live)...in HN for ten years now and like it a lot 3. The last time I(go)...to HN was in May 4. When my parents were on holiday I(stay)...with my aunt for a week. 5. I(not see)... my son for ages . He (not visit)...me since May 6.Tom (be)...to HN twice . He loves it very much 7. My sister(work)....for an enterprise for two years.That was after college 8.I(move)....to HN in 2001. I (be)...there for a long time now