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5.The teacher is examining the student at the moment. 6. The BBC was broadcasting the news from 8 till 8-30 p.m. 7. They had tested the device by 6 o’clock. 8. The antivirus programme will check all the files only by the evening

The students are examinated by the teacher at the moment.The news were broadcasted by the BBC from 8 till 8.30 p.mThe device had being tested by them by 6 o'clockAll files will be checked by antivirus by the evening