U
tirst plane with the
engine in 1903.
iii. turn from active into passive.
1) my friend sent me an invitation.
2) the cleaner is washing the kitchen floor with a mop.
3) the farmer is feeding his sheep now.
4) the principal has invited my parents to his room.
5) someone had broken the front door down.
6) they chose him as the best actor of the year.
7) my granny grows vegetables in the kitchen garden every
year.
8) we'll decorate the new year tree next week.
9) you can improve your health with some sports.
10) we have already eaten our lunch.

The population of the earth grows uncontrolled rate, and the number of animals decreased dramatically. under the threat of becoming extinct 21% of mammals, 30% of amphibians, 12% of birds, 17% of sharks and 27% of the corals. we lose biodiversity at an unprecedented pace in the history. the reasons are the same: environmental degradation, deforestation of the amazon, the decrease in volumes of fresh water in lakes, as well as the destruction of coral reef ecosystems. in the red book are: long-eared jerboa, japanese hare, golden лангур, the spanish lynx, orangutan, chinese lizard, pygmy hippopotamus, elephant turtle, owl parrot and others. take care of endangered animals!