4) I think the lecturer will be asked many questions.
5) She was shown the way to the station.
6) In this school children are taught two foreign languages.
7) You were promised immediate help.
8) They are paid twice a month.
9) He was sent for.
10) She will be talked about.
11) Those pictures are always watched with interest.
12) He was invited to work at our institute.
13) I was told nothing about it.
14) They will be shown new magazines in the evening.
15) Children should be better taken care of.