Kangaroos possess powerful hind legs, a long, strong tail, and small front legs. Kangaroos belong to the animal family Macropus, literally "big foot." Thanks to their large feet, kangaroos can leap some 30 feet (9 meters) in a single bound, and travel more than 30 miles (48 kilometers) per hour.
2. Shark
These majestic top predators that are so essential to the natural order of marine ecosystems now face their most severe threat from overfishing. Many species are threatened with extinction, with some families of rays such as sawfishes in peril. While sharks and rays have been an irreplaceable resource for coastal communities in the developing world for centuries, this unique balance is in danger of being lost forever.
ответ:1. He had been doing his homework for 2 hours before his mother came 2 Ms. Brown had been working as a teacher for ten years before she left his job. 3. 1 Had been waiting for 15 minutes when the train arrived. 4. I got a bad mark for my test because I had made a lot of mistakes in it. 5. Olga looked tired because she had been cleaning her room all day, 6. Tom and his father were very hungry because they had been doing the gardening all day 7. He had been driving for 6 hours when suddenly the car broke down. 8. I didn't get a good mark because I had left my exercise-book at home. 9. By 7 o'clock the rain had stopped 10. Jane was late because she had missed the bus. Насчет 10го не уверена только
1. Kangaroo
Kangaroos possess powerful hind legs, a long, strong tail, and small front legs. Kangaroos belong to the animal family Macropus, literally "big foot." Thanks to their large feet, kangaroos can leap some 30 feet (9 meters) in a single bound, and travel more than 30 miles (48 kilometers) per hour.
2. Shark
These majestic top predators that are so essential to the natural order of marine ecosystems now face their most severe threat from overfishing. Many species are threatened with extinction, with some families of rays such as sawfishes in peril. While sharks and rays have been an irreplaceable resource for coastal communities in the developing world for centuries, this unique balance is in danger of being lost forever.
ответ:1. He had been doing his homework for 2 hours before his mother came 2 Ms. Brown had been working as a teacher for ten years before she left his job. 3. 1 Had been waiting for 15 minutes when the train arrived. 4. I got a bad mark for my test because I had made a lot of mistakes in it. 5. Olga looked tired because she had been cleaning her room all day, 6. Tom and his father were very hungry because they had been doing the gardening all day 7. He had been driving for 6 hours when suddenly the car broke down. 8. I didn't get a good mark because I had left my exercise-book at home. 9. By 7 o'clock the rain had stopped 10. Jane was late because she had missed the bus. Насчет 10го не уверена только