---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.
Can you tell me Steve is from America or not?
He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.
All the workers think it very necessary to safety regulations and workshop rules.
-----Are you ____to be out late tonight? -----No,because it is rather cold outside.