完形填空。 The seasons in Australia are the opposite of ours. 1 it is winter here, it is summer there. Australia is 2 the south of the world. June, July and August are the winter months. The summer is in December, 3 and February. The north of the country is 4 than the south. Australia's main problem is 5 . A very large part of the country has no rain at all. But the east coast has rain 6 the year round. There are no dry months here. In March 1982, there was a terrible drought (干旱) in Australia. The summer rain didn't 7 . There were 138 million sheep in Australia this year. This was 14% of all the sheep in the world. Because there was no 8 rain and the grass didn't grow well, the farmers 9 to sell many of their sheep and many sheep 10 , too. It was a great disaster (灾难) for Australian farmers. (     )1. A. Because (     )2. A. in (     )3. A. November (     )4. A. colder (     )5. A. water (     )6. A. whole (     )7. A. have (     )8. A. plenty (     )9. A. have (     )10. A. died B. Since B. on B. January B. cooler B. sheep B. half B. fall B. a little B. had B. dead C. When C. to C. March C. hotter C. pollution C. all C. give C. a lot C. must C. death D. For D. near D. October D. warmer D. population D. part D. keep D. enough D. needed D. dying