Question 2

1. She has visited Hue once
2. Do more exercise and you will feel fitter and healthier.
3. Last year we had a music festival at school
4. Don't eat close to your bedtime, you will get fat
5. My father likes playing badminton

Question 3
1. have -> has
2. goed -> gone
3. visit -> visited
4. doesn't -> don't
5. had -> will have