Put the verbs in brackets into the correct tense form and voice. 1)- who this park (to found) by? - it (to found) by local authorities 35 years ago. 2)- how many animals (to keep) in this zoo last year? - last year we (to keep) more than 100 animals. 3)- the measures to protect this area from pollution (to take) yet? - no, they (to discuss) at the moment. 4) - you (to write) the letters already? - the letters (to write) at the moment. 5)- they (to solve) this problem yet? - no, it (to solve) tomorrow.

1. Who was this park founded by?
It was founded by...
2. How many animals were kept in this Zoo last year?
Last year we kept more than 100 animals.
3. Have the measures to protect this area from pollution been taken yet?
No, they are being discussed at the moment.
4. Have you written the letters already?
The letters are being written at the moment.
5. По аналогии
(Они уже решили эту проблему? - Present perfect. Active)
(Нет, она будет решена завтра. - Future. Passive)