Find and correct the mistakes in the sentences. There is one mistake in each sentence.
1 The students haven’t seen all morning. I’ve no idea where they are.


2 The exams were corrected for our teacher. I think they took her a long time!


3 The classroom is been painted at the moment, so we have to work in the main hall.


4 The question can’t have answered. It’s much too difficult!


5 The 3D film was been seen by thousands of people on its opening night.

1the students haven't BEEN seen.....2the exams were corrected BY our teacher.3the classroom IS BEING PAINTED......4the question CAN'T BE ANSWERED..5the 3D film WAS SEEN by.........