Ответ:

2. Was better than the last one.

3.  is more popular than tennis.

4.  is worse at English than her.

5. Busier than him.

6. Not taller than him.

Объяснение:

2. The first exam is better than the last exam

3.Football is more popular then the tennis

4. Stefan is worse at English than Maria

5. I'm more busy than he

6. I'm as tall as Sam