Besides being able to walk on for three days without drinking, camels can also live for a long time ______ small quantities of food.
_____at in this way, the present situation about birds flue doesn’t seem so disappointing.
The TV programme has ______on the children as ______as the old.
It was_____great shock to the world that two aero-planes crashed into ________ World Trade Center in New York o September 11th, 2001.
He began to __________ because every means _______ tried already.
It’s said that the old lady died ________.