Ответ:

1) 2. I am sitting on the chair.

3. I am riding the bicycle.

4. I am reading this book.

5. The sun is shining.

6. It is raining.

7. I am learning English.

8. I am eating an apple.

9. I am sitting at the table.

2) 2. You are standing on my foot.

3. I am reading an interesting book.

4. The sun is shining in the blue sky.

5. He is riding his bicycle.

6. They are playing with their dolls.

7. Dan and Pat are playing the piano.

8. No, I am making rhymes.

9. They are running in the yard.