完形填空。
Bob is   1  American boy. He studies in a high school in Washington. He is fourteen years old and
he is in Grade 8 now.
Bob was born  2   1984 in New York. He started school at the age of six. He studied in a primary
school in New York for six years   3  he moved to Washington  4   his family. He  5   in this high
school for about two years. Bob's favorite subject is biology and he is   6   in Chinese herbs. He wishes
  7   to China  8   Chinese medicine   9   he finished high school. He wants to  10   a doctor of
Chinese medicine.

(     )1. A. a     (     )2. A. in     (     )3. A. after   (     )4. A. and     (     )5. A. studies (     )6. A. interested (     )7. A. come     (     )8. A. study   (     )9. A. when     (     )10. A. is

B. an         B. on         B. when       B. or         B. studied     B. interesting B. to come     B. studying     B. afte r     B. be

C. the       C. at     C. before   C. but       C. has studied C. interest     C. coming     C.  studies C. before   C. becomes

D.              D. for           D. until         D. with         D. is studying   D. interests     D. comes         D. to study     D. until         D. are

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