Put the verbs in brackets into the correct tense form and voice. 1)- still ( to work) in the garden? _ no, the work ( to finish) already. the tickets ( to book) yet? -yes they ( to deliver ) in an hour. 3) - when this zoo ( to found ) ? - it ( to found ) fifty years ago.

1)- __Are___ they still  working) in the garden?
_ No, the work __has been finished) already.
2)-Have__ the tickets __beenbooked) yet?
-Yes they ___will be (delivered ) in an hour.
3) - When ___was this zoo __ founded ) ?
- It __was founded ) fifty years ago.

1are they still working in the garden?
is finished
2have the tickets been  booked yet
 they will be delivered
3 when was this zoo founded
it was founded