1. - 2. - 3. a 4. - 5. The 6. an 7. - 8. a 9. - 10. a
Duck, sing, A, can,t. - A duck can't sing.
dogs, run,Can? - Can dogs run?
isn,t, Ann,s, black, cat. - Ann,s cat isn't black.
a, funny, She, rabbit, got, has. - She has got a funny rabbit.
<span>his, clock, Is, big? - Is his clock big?</span>