A．Not until he arrived B．Scarcely had he arrived C．Not sooner had he arrived D．Hardly did he arrived
单项选择题Her latest book（）how important freedom is.
A．speaks B．says C．demonstrates D．assumes
单项选择题Mr. Smith lives in the house（）is leaking.
A．of which the roof B．which of the roof C．the roof of which D．of which roof
