Was it through Mary, ________ was working at a high school, ________ you got to know Tom?
—I’ve got an “A” in the examination. —That’s a good ______. You will surely win a second.
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 _______.