They considered ______ a computer ,which was considered ______ a great help in their work.
--Have you finished your work yet? ---No, not yet. I think it'll take _____ ten minutes
He has not had a night ____for two weeks, but he still feels ____.
Tom ______ there for 10 months since he ______ back to his hometown.
When he saw a ticket on the ground, he stopped ____.
The teacher said ______ wanted to go to the cinema must be there before 6:00.