I called Mary many times yesterday evening, but I couldn’t get through. Her brother _________ on the phone all the time.

The thief was caught stealing money from the shop opposite the school and _________ by the local police at the moment.

 I listened carefully to his long boring speech, but could not        what he was talking about.  

While the police have already done a lot of investigation, much evidence ___   __.

A fire broke out in the neighborhood last night. By the time the firemen arrived, it 　　　.