4. She must be trying to find old letters 5. They must be admiring the beauty of south nature 6. He must have returned from the South 7. She must have lost my address 8. They must have finished their work 9. He must haven't told all the truth to the judge 10. She must have prepared all this some time before 11. He must be still here. 12. They must have just arrived 13. He must have taken all the papers with him 14. Someone must have been here 15. They must be laughing at him 16. They must have been living here then 17. It must be here
Although many leading zoologists and botanists have expressed their (concern, )... about the (preservation)... of endangered species, the current indications are that most of the measures (taken)... to protect these species against ( extinction)... have had only a limited effect. From the (bottom)... of the sea to mountain slopes, Among these species thousands have died out even before they have been (discovered)... . As well as hunting, the greatest (threat)... to plants and animals is the destruction of rainforests. On (average)... , ... Now CITES has (taken).. on the responsibility of getting 800 species of animals and plants (banned)... from international trade and another 23,000 placed under strict controls.
плохое качество
Объяснение: