viết lại câu giữ nguyên nghĩa :
1.I started the job 6 years ago.-> I have got...2.The last timeI saw him was in June.->I haven't...3. I haven't seen that man here before->It's.....4.The last time I saw David was in 1990->I haven't...5.I haven't eaten this kind of food before.->This is the first time...6.It's 20 years since we got married.-> We have...7.We last saw our granparents five years ago.-> We haven't...