When we happy for what we win, we should keep in mind that one’s good vintage may be ___ bitter cup.
—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 _______.