单项选择题After her death, her papers-- including unpublished articles and correspondence were deposited at the library.
单项选择题They have been tightening their belts for months, adapting themselves to a war economy.
单项选择题Unlike the common cold, flu tends to start abruptly.
单项选择题Poor children should not be deprived of the opportunity to participate in sports whenever possible.
单项选择题As an assistant in a shop, she tries to be courteous at all times, even when she is very tired.