IV
3. Get up early and do more exercise.
2. The weather is very cold today so I should put on a coat.
4. We should not eat more junk food.
We should eat less junk food
1.he has toothache because he still eats a lot of sweets and cakes.
V
1. has ever met
2. visited
3. has visited
4. did- wrote
5. has- written