Don't stop ________ you meet with a word you don't understand.
.A lot of tents, drinking water and food __________ to the homeless earthquake survivors in the past several weeks.
.—What’s that? It smells great!—It’s just milk tea.Would you like __________?
.—__________ Mr.White was appointed director of our department.—Then we have two Whites now including ___________ Mr.White, the doorkeeper.
.Premier Wen said, “I once again emphasize that it is absolutely unacceptable to sacrifice people’s life and health ________ the economic development in any case.”
.The profit of the company fell _______ in the first three months in the year 2009 as a result of the global economic crisis.