. I firmly believe _____ he said at the meeting was right.
__________ with such a difficult problem, he decided to ask for some good advice from his colleagues.
The leader came into the room, __________ by his two assistants.
__________ by the heavy rain, the area was flooded seriously.
The how-to book can be of help to __________ wants to do the job.
The plane crashed in a flash, __________ into pieces.