Дополните предложения

Привет! Вот как можно дополнить предложения, используя Present Perfect Continuous Tense:

1. The snow started 3 hours ago. It's still snowing now. It has been snowing for 3 hours.
2. Olga started working in Minsk on 4 March. She is still working there. She has been working there since 4th March.
3. I started to learn German in October. I am still learning German now. I have been learning German since October.
4. My eyes are getting tired. I am reading a book. I have been reading it for 4 hours.
5. Mike is sitting in front of the TV. He is still watching it. He has been watching it all day.
6. We are waiting our guests. We have been waiting for our guests for 3 hours.

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