Ответ:

2. Who are you shaking hands with?

2. Why are you doing this?

4. What are they reading?

5. What am i watching?

6. Where are you swimming now?

Present Continuous-настоящее длительное время.

Відповідь:

What are you doing this?

What they are reading?

Where are you swimming now?

Пояснення:

Надеюсь правельно)