Translate into English: Почему ты ничего не сделал, когда постепенно уничтожались леса?
Why didn't you do anything while the forests were being gradually destroyed?
Find the mistake: Rabbits were breeded here 10 years ago.
were bred
Translate into English: Этот вид оленей был обнаружен в 1817 году исследователями Азии.
This kind of deer was discovered in 1817 by investigators of Asia.
Fill in the gap: The number of hares ... (reduce) gradually.
is being reduced
Change into Passive: People have polluted all the rivers in the region.
The rivers have been polluted by people.
Translate into English: Акул собираются держать подальше от остальных животных.
The sharks are going to be kept away from other animals.
Change into Active: This information wasn't forgotten by him.
He didn't forget this information.
Fill in the gap: Foxes ... (must rescue) as soon as possible.
must be rescued
Change into Active: This region isn't explored enough.
They don't explore this region enough.
Find the mistake: The soup was eaten by the spoon.
with
Change into Active: Such skirts will be worn in the future.
They will wear such skirts in the future.
Change into Passive: Their life became easier after Bell had invented the phone.
The phone had been invented by Bell