1. 1.since 2.since 3.since 4.for 5.for 6.since 7. since 8.for 9. for 10.since 11.for 12.since
2. 1. She has been to hospital since this morning
2. for 3.since 4. for 5. since 6. for 7. for 8. for
3. 1. Joe has been, ...for
2. ...I haven't seen her since this morning
3. Mr. ... has known his wife since ...
4. Ben has not seen his uncle for ...
5. I haven't been very well since Monday.
6. My brother has had his...for ...
7. They have lived here since they...
8. It hasn't had anything to eat for days.
4. 1. has lived, since
2. has worked, since
3. have divorced, for
4. has known, for
5. I haven't seen, since
6. haven't talked, for
7. has written, since
Объяснение:
1.Who are animals?
ответ :Living organisms are a traditionally distinguished category of organisms, currently considered as a biological kingdom. Animals are the main object of the study of zoology.
2.What are they for?
ответ :They provide people with food and raw materials, help in the economy and treatment of diseases, protect against ill-wishers and simply please the eye. Thanks to animals, human evolution has occurred.
3. How many animals can there be in the world?
ответ :Currently (Zhang, 2013), scientists have described more than 1.6 million species of animals (including more than 133 thousand fossil species; Zhang, 2013), most of which are arthropods (more than 1.3 million species, 78%), mollusks (more than 118 thousand species) and vertebrates (more than 42 thousand species).
