Exercise 5
1. She has lived in Ha Noi for 2 years
2. He has studied English since he was young
3. This is the first time I have eaten this kind of food
4. She is the most beautiful girl I have ever seen
5. I have never read such a good novel before
Exercise 6
1. We haven't eatten out since mom's birthday
2. How long have you lived there?
3. Have you ever been to Russia?
4. She hasn't met the kids since last Christmas
5. Have they repaired the lamps yet?