—No, it's so ____ that I cannot even get close to it.
(Ⅰ)求证:CP∥平面AEF;
(Ⅱ)设EF=2,AF=3,FD=4,求点F到平面ACD的距离.
结合材料,回答下列问题:
Betty is the____ ____student in the class.