They considered a computer, which was considered a great help in their work.
A computer is so useful a machine ________ we can use everywhere.
— Why didn’t you come to Mike’s birthday party yesterday? — Well, I ____, but I forgot it.
It was quite a serious accident, _____caused by careless driving.
Jane was disappointed that most of the guests_______when she _____at the party.
The politician has been warned that he would be getting into great trouble_____stick to his standpoint.