We may __________ our past experience to develop new technology.
The children in some remote areas are looking forward ______ a chance to receive further education.
A small car is big for family of three_______ you need more space for luggage.
The reason______ she failed to go to the party puzzled all of the people present.
In the U.S, ______a tip is thought to be polite when paying the bill.
He is the only one of those clerks ________ to the important conference.