1 . Bicycles must not be left in the hall
2 . The poem was written by Clement Clarke Moore in 1824
3 . I was introduced to Dr Felix by Mr Pike last year
4 . My bike is going to be repaired by my father tonight
5 . English is spoken by many people in the world
6 . The bill must be paid before the first of the month
7 . The classroom is sweept by the students everyday
8 . You will be asked several questions by the police tomorrow
9 . The telephone was invented by Bell a long time ago
10 . Their house has been decorated recently