Complete the sentences with the passive form of the verbs in brackets.

1.My shirts _________________ by my mother when I enter the room.                      (iron)

2.The police appeared while a young man _________________ by two hooligans.             (beat)

3.The letter _________________ by the secretary at 9.00 yesterday.                            (write)

4.The trees _________________ by the kids at the moment.                                          (water)

5.Look! The big truck _________________ by the customs officer.                              (check)

6._________________ by the police car now.                                                                   (follow)

7.Paper _________________ by the Chinese many year ago.                                        (invent)

8.The conference  _________________ due to the president’s absence yesterday.    (not, hold)

9.I _________________ a piece of  advice by my mother every day.                           (give)

10.The Internet _________________ all over the world.                                                 (use)

11.Laura _________________ to go out after 10 p.m.                                                      (not, allow)

12.They _________________ by their teacher every day because of their laziness.   (punish)

13._________________ by the doctor yearly?                                                                   (examine)

14.All the rooms in my house _________________ before Tet holiday last month.  (decorate)

15.The exam papers _________________ by the teacher this morning.                       (mark)