I . Put the verbs into the most suitable passive form
1. There's someone behind us . I think we ......... ( follow )
2. A mystery is something that .......... ( can't / explain )
3. We didn't play football yesterday . The math .......... ( cancel )
4. The television ........... ( repair ) . It's working again now
5. The church tower ............... ( restore ) . The work is almost finished
6. How old is the tower ? It ............ ( believe ) to be over 600 years old
7. If I didn't do my job properly , I ........... ( would / sack )
8. A : I left some papers on the desk last night and I can't find them now
B : They ........... ( might / throw ) away
9. I learned to swim when I was very young . I ............ ( teach ) by my mother
10. After .......... ( arrest ) , I was taken to the police station
11. ............ you ............. ( ever / be ) to England ? ~ No, never
12. Two people ............. ( report ) to ........... ( injure ) in an explosion at a factory early this morning
13. I haven't received the letter . It .............. ( might / send ) to the wrong address
14. The vegetables didn't taste very good . They .......... ( cook ) for too long
15. The examination papers are scored by machine . The students ........... ( tell ) their results next week