Bài tập thì quá khứ đơn và hiện tại hoàn thành Chuyển đổi từ hiện tại hoàn thành sang quá khứ đơn (và ngược lại) 1. This is the first time he went abroad. -> He hasn't........ 2. She started driving 1 month ago. -> She has..... 3. We began eating when it started to rain. -> We have.. 4. I last had my hair cut when I left her. -> I haven't......... 5. The last time she kissed me was 5 months ago. -> She hasn't.…...... 6. It is a long time since we last met. -> We haven't...... 7. When did you have it? -> How long... 8. This is the first time I had such a delicious meal. -> I haven't.......... 9. I haven't seen him for 8 days. -> The last.... 10. I haven't taken a bath since Monday. -> It is