完形填空。 I'm not a vet yet, but I come to a local animal hospital early Saturday morning to help the __ 1 __. A few __ 2 __ are sitting on clean tables, waiting for the vet to examine them. Others are waiting in cages. From time to time they'll put a small paw out to say hello. I'm washing a dog's hurt leg. I work carefully, __ 3 __ I want to make sure I don't do anything to hurt him. __ 4 __ I came here, I didn't understand what a vet does. Now that I work here, I can see that our job is to do __ 5 __ to take care of animals. I love all of them.  the huge dogs with kind hearts and small cats with mean looks. It's a long and __ 6 __ day, but I always get a prize at the end. a dog licks (舔) my face, a cat sits __ 7 __ beside me, or a little rabbit __ 8 __ water from my hand. These moments make me very __ 9 __. Because of me, at least one animal knows it is __ 10 __ . (     ) 1. A. doctors (     ) 2. A. children (     ) 3. A. though (     ) 4. A. After (     ) 5. A. anything (     ) 6. A. tiring (     ) 7. A. noisily (     ) 8. A. sleeps (     ) 9. A. tired (     ) 10. A. seen B. students B. patients B. if B. Before B. everything B. exciting B. angrily B. drinks B. upset B. heard C. teachers C. animals C. because C. Since C. nothing C. interesting C. hungrily C. comes C. proud C. hit D. children D. birds D. when D. As soon as D. something D. fun D. quietly D. stands D. disappointed D. loved