B. Apply/p.94 Complete the sentences with should or
shouldn’t.
1. I think (should) because it gives them the chance to practice surgeries without a human body.
2. I believe (shouldn't) because some programs require theoretical studies or practical experiences.
3. In my opinion (should), ~ because they may find better ways to improve their performances.
4. I believe (shouldn't) because not all the improvements affect the competition substantially.