XIV. Viết lại câu từ quá khứ đơn sang hiện tại hoàn thành không làm thay đổi nghĩa. 1/ The last time I cooked was 2 weeks ago. I haven't cooked for 9 weeks 2/ When did you buy that bag? have you How long 3/ I last saw Peter 5 days ago. you bought that bag I haven't seen Boter for 5 days 4/ I started writing daily blog 3 months ago I have written daily blog for months 5/ He began living in Ha Noi when he was six years old. He las lived in Papar since he was six years old 6/ When did you start loving her? 7/ The last time I went to water park was 6 years ago. 8/ It's years since Lisa wrote to me.