单项选择题
It takes courage for one （）the huge task， to say nothing of fulfilling it in such a short time.
A.to be faced up to B.facing up to C.faces up to D.to face up to
单项选择题 "Whenistheconcertsupposedtostart？""It（）now."
单项选择题 （）Yourhelp，Iwouldnothavesucceeded.
单项选择题 Itisno（）talkingtohimbecausehewillneverchangehismind.
