Réponse:

1: My best friend wasn't an actress (-)

2: Is he feeling well today (?)

3: you aren't you joking? (-)

4: I didn't play the piano (-)

5: Does She playing tennis. (?)

6: you like spinach? (+)

7: can you run (?)

B: do they live in the USA. (?)

9:John doesn't have a blue car? (-)

10: Mary didn't drive fast. (-)