Directions: Select the option that expresses the given sentence in passive voice.
The invigilator is advising the students not to carry calculators into the examination hall.
1
The students are being advised by the invigilator not to carry calculators into the examination hall.
2
The students have been advised not to carry calculators into the examination hall by the invigilator.
3
The students were advised not to carry calculators into the examination hall
4
The students were advised the invigilator not to carry calculators into the examination hall.