—I'm trying to find yesterday's newspaper. Have you seen it? —I'm afraid that I ______ it away. I thought you had finished reading it.
The key _________ the string was put into the door to stop the kite _________.
_________ that he had fallen behind,he tried to work harder.
Plastic and rubber won't _________ electricity,but copper will.
____no need for us to discuss the problem again since it has already been solved.
I didn't like aunt Lucy,who __________ without warning and bringing us presents.