Эти утверждения являются правдой или ложью? выполнить перевод и дать на них ответ

1) when were you born? i was born in 1980 .                                                        2)the light went off and the orchestra started playing.                                       3)when i came into the kitchen mother was cooking dinner.                               4)we were washing the floor from 3 till 4 yersterday.                                         5)at 7 yersterday i played the piano.                                                                 6) when i came home mother had already cooked dinner.                                   7)tom had translated the text by 7.                                                                   8)she  was seeing the film for 1 hour when i rang her up.                                     9)where  were you yesterday?                                                                             10)did you finish school last year?

what do yiu like doing in your free time?

everyone agrees that unless tiger population is protected ,they will become extinct.if it were not the efforts made by international campaigns the extinction would already have become a fact.it is time to cooperate and help to animals otherwise the future will be sad.supposing there were no tigers left in the world: how would we all feel? !

1. haven't played; was

2. visited; went

3. have, choosen; bought

4. have, seen; watched 

5. forgot, didn't said 

6. has broken; fell

7. did you sell; saw, have bought

8. finished, painted, put up

9. have lost; ran

х_х