Ответ:

2. is cooking

3. are standing

4. is swimming

5. are staying

6. is having

7. are building

8 am going

ex 2

3 she is sitting on the floor

4 she isn`t reading a book

5 she isn`t playing the piano

6 she is laughing

7 she is wearing a hat

8 she isn`t writing a letter

Объяснение: