He was busy writing a story, only ______ once in a while to smoke a cigarette.
—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 _______.
What he told us about the situation simply doesn’t make any ______.
His letter was so confusing that I could hardly make any ______ of it.