In order to promote its brand, Harvard University has put a lot of money and time to launch an advertising ________.
89. Be careful of those who are in sheep’s _____.
90. It is said that a ship was wrecked on the .
91. Don’t count your _____ before they are hatched.(prov.)
92. My neighbour works as a technician in a manufactory.
93. The little boy was crying because he had broken a _____.