At the conference, people of different _______ were given a chance to exchange theirs with each other. 

Drive straight ahead, and then you will see a   to the Hefei - Nanjing Expressway.

The system has been designed to give students quick and easy _______to the digital resources of the library.

Though lacking________, the young teacher manages the class very well.

The boy slipped out of the room and headed for the swimming pool without his parents' _____.