完形填空。 'I don't have to go to school. My school __ 1 __ me!' Sara showed me her room. 'This is my classroom and this is my teacher and the other __2_ ' She pointed to a large radio with a microphone. Sara lives with her parents on a farm in Central Australia. It's about 60 miles from her farm to her neighbors. She can't go to __3 __ because her farm is so far away from __ 4 __. There are a lot of children like her in Australia. The y use the 'School of the Air'. There are 12 of __ 5 __ for children in the outback (内地) of Australia. They are at these schools until they are about 12 years old. Sara said, 'We talk to our teachers every day on the __ 6 __. And our __ 7 __ last about 30 minutes. Our teachers __ 8 __ us the class work and we do it before our lessons. Twice a year our teacher __9 __ us, and once a year all the students _ 10 __. That's the best time of the year. ' (     )1. A. comes  to (     )2. A. neighbors (     )3. A. hospitals (     )4. A. the nearest airport (     )5. A. the radio (     )6. A. train (     )7. A. classes (     )8. A. helps (     )9. A. helps (     )10. A. come B. looks for B. students B. station B. th e nearest town B. the farms B. ground B. meetings B. hands B. calls B. meet C. helps with C. books C. cinema C. the big city C. them C. radio C. parties C. sends C. thanks C. arrive D. thinks about D. blackboards D. school D. the capital D. it D. computer D. programs D. shows D. visits D. appear