Ответ:
1. I am playing guitar now.
2. Look! He is watching cartoons.
3. She is doing the washin-up at the moment.
4. We are walking outdoors now.
5. Look! She is cycling.
6. They are watching TV at the moment.
Объяснение:
Действия во всех предложениях происходят в данный омент времени, поэтому везде используем Present Continuous.
Present Continuous образуется при помощи глагола To be (в соответствующей форме) + основа глагола ( без to) + окончание ing
I am doing
You (we, they) are doing
She (he, it) is doing
Маркеры времени - now, at the moment