The discussion ________ alive when an interesting topic was brought in.
I’ve got a lot of books, ________ are written in foreign languages.
—May I speak to your manager Mr. Williams at five o’clock tonight?—I’m sorry. He ________ gone to a party long before then.
—When did the story happen?—It happened in ________ spring of ________ 1937.
The item you requested yesterday is no longer available and ________ we are returning your cheque.
I kept looking at the man wearing a pair of glasses, wondering ________.