In Britain,sales of cigarettes have been reduced __________ 30% in the past ten years.
I’m not sure whether John ______ his parents has arrived.
Today some people get ______ because they eat too much fat and sugar and don’t take enough ______.
It must be very ______ to watch a close game between the two basketball teams.
He spoke ______ quickly ______ I couldn’t understand a word he was saying.
The boy ______ fifty yuan in repairing the watch yesterday.