If you intend to arouse students’ interest in your project, you’d better ______ your teaching methods more wisely.

You cannot be more careful when crossing the street, or you may ___ by cars.   

The British science fiction writer, Isaac Azimac, believes that robots are_____ ever to do harm  to a human being.

            I have to clean up the room,then I’ll come shopping with you.

-- Tom did make it eventually. --Yeah, really, but somebody said he was _____ than successful.