完形填空。 There are many kinds of tigers all over the world, and the 1 tiger is the Northeast Tiger. Most of them live in the 2 of China, like Heilong jiang Province and Jilin Province. Because there are many 3 and mountains, the tigers like living there. 4 the forests and mountains, there are few people getting out and 5 in. So the tigers are very 6 . They can run after each other, catch and eat some small 7 , like rabbits. The Northeast Tigers are different 8 the ordinary tiger. For example, the Northeast Tigers can swim very 9 , but can't climb the trees. The Northeast Tigers' 10 is the best, and no matter how low the sound is, they can hear it. (     ) 1. A. large (     ) 2. A. southeast (     ) 3. A. forests (     ) 4. A. In (     ) 5. A. come (     ) 6. A. free (     ) 7. A. grass (     ) 8. A. in (     ) 9. A. good (     ) 10. A. smell B. big B. northeast B. rivers B. On B. go B. freely B. trees B. at B. bad B. hearing C. largest C. south C. lakes C. Before C. going C. busy C. animals C. from C. badly C. eyesight D. most big D. north D. buildings D. After D. coming D. busily D. birds D. to D. well D. smelling