______ deals with the actual use of language as a social phenomenon and can be approached in ______ ways.

单项选择题It can be inferred from the first paragraphs that_________.

单项选择题The word sine qua non in the last sentence of the 5th paragraph most probably means

单项选择题The expression bracing themselves for the worst in the second paragraph probably means

单项选择题Before the man found out his wallet was missing, he had seen the black-haired girl ______.

单项选择题Virginins Littlepage fell in love with Victoria