Viết lại câu: Samuel started keeping a diary in 1997

1. Samuel started keeping a diary in 1997.
→ Samuel has …………………………………………………
2. We started leaming English fìve years ago.
→ We have …………………………………………………
3. I began living in Ho Chi Minh City when I was 8.
→ I have …………………………………………………
4. She has taught the children in this remote village for five months.
→ She started…………………………………………………
5. He has written to me since April.
→ The last time…………………………………………………