Anyone ______ trying to take knives on board flights would be caught by the police.
I saw him _______ out of the room.
They would not allow him ________ across the enemy line.
The workers want us ________ together with them.
He walked along in the _____hoping no one would recognize him.
In ____late 19th century, Europe changed ______great deal and played an important role in ______international trade.