Ответ:

1. Is Steven playing

  is studying

2. do you go

 exercise

3. needs

  does she want

4. am looking / Do you know

 think

5. Do you play

 am going

6. clean

 am understanding

7. cook

 is visiting

1. am writing

2. is staying

3. have

4. spend

5. am sitting

6. is standing

7. is sliding

8. have

9. love

10. don`t want