Ответ:

1. He is driving a taxi (Present Continuous)

Really? Does he drive you to school every day? ( Present Simple)

2. He works in a restaurant (Present Simple)

But he is not working now. (Present Continuous)

He is cooking our dinner (Present Continuous)

3. What are you doing?  (Present Continuous)

I am sitting on the beach and I am eating a big ice cream.  (Present Continuous)

Объяснение: