Put the verbs into the most suitable passive form

I . Put the verbs into the most suitable passive form

1. There's someone behind us . I think we ....are being followed ..... ( follow )

2. A mystery is something that ....can't be explained ...... ( can't / explain )

3. We didn't play football yesterday . The math .was cancelled ......... ( cancel )

4. The television ....has been repaired ....... ( repair ) . It's working again now

5. The church tower .......is being restored ........ ( restore ) . The work is almost finished

6. How old is the tower ? It .....is believed ....... ( believe ) to be over 600 years old

7. If I didn't do my job properly , I .....would be sacked ...... ( would / sack )

8. A : I left some papers on the desk last night and I can't find them now

B : They .....might have been thrown ...... ( might / throw ) away

9. I learned to swim when I was very young . I ......was taught ...... ( teach ) by my mother

10. After ....being arrested ...... ( arrest ) , I was taken to the police station

11. ....Have........ you .....ever been........ ( ever / be ) to England ? ~ No, never

12. Two people ...are reported .......... ( report ) to .....have been injured ...... ( injure ) in an explosion at a factory early this morning

13. I haven't received the letter . It .....mighmight have been sent......... ( might / send ) to the wrong address

14. The vegetables didn't taste very good . They ...were cooked ....... ( cook ) for too long

15. The examination papers are scored by machine . The students ......will be told..... ( tell ) their results next week