The poor boy seems _____ the news that his father died in the car accident for there is no sign of sorrow on his face.
In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
Electricity, like other forms of ______, has greatly increased in price in recent years.
—Hello, I’d like to speak to Henry. —Oh, which _______? There are two ______ in our office.
Jim was late for two classes this morning. He said that he forgot both of the ______.
—How can I use this washing machine? —Well, just refer to the _______.