I'm very glad to know that my boss has generously agreed to______ my debt in return for certain service.

单项选择题Many people______ their lack of knowledge as soon as they start talking.

单项选择题The American dream is most______ during the periods of productivity and wealth generated by American capitalism.

单项选择题By referring to cable cosa nostra' deal (Line 4, Para. 5), the author indicates that______.

单项选择题According to the author, the word rubber-stamp (Line 7, Para. 1) means______.

单项选择题After the takeover of DirecTV, Murdoch might______.