Being afraid of making mistakes, the little boy __________ answer his teacher’s question.
The task is hard, ____, the workers managed to finish it in time.
Mrs. Clarke raised the kettle and _______the water over the hand.
Our cousin who is attending college in New York phones us every Sunday at six, _________ as clockwork.
A kind of glass dish that _____ heat is useful.
This novel is ______ a good book, but there are many that are better.